Las aperturas de ajedrez: ECO C

[Apertura "French defence"]
[ECO "C00"]

{ French defence } 1. e4 e6 *

[Apertura "French defence, Steiner variation"]
[ECO "C00"]

{ French defence, Steiner variation } 1. e4 e6 2. c4 *

[Apertura "French: Reti (Spielmann) variation"]
[ECO "C00"]

{ French: Reti (Spielmann) variation } 1. e4 e6 2. b3 *

[Apertura "French: Steinitz attack"]
[ECO "C00"]

{ French: Steinitz attack } 1. e4 e6 2. e5 *

[Apertura "French: Labourdonnais variation"]
[ECO "C00"]

{ French: Labourdonnais variation } 1. e4 e6 2. f4 *

[Apertura "French defence"]
[ECO "C00"]

{ French defence } 1. e4 e6 2. Nf3 *

[Apertura "French: Wing gambit"]
[ECO "C00"]

{ French: Wing gambit } 1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 *

[Apertura "French defence"]
[ECO "C00"]

{ French defence } 1. e4 e6 2. Nc3 *

[Apertura "French: Pelikan variation"]
[ECO "C00"]

{ French: Pelikan variation } 1. e4 e6 2. Nc3 d5 3. f4 *

[Apertura "French: Two knights variation"]
[ECO "C00"]

{ French: Two knights variation } 1. e4 e6 2. Nc3 d5 3. Nf3 *

[Apertura "French: Chigorin variation"]
[ECO "C00"]

{ French: Chigorin variation } 1. e4 e6 2. Qe2 *

[Apertura "French: King's Indian attack"]
[ECO "C00"]

{ French: King's Indian attack } 1. e4 e6 2. d3 *

[Apertura "French: Reversed Philidor formation"]
[ECO "C00"]

{ French: Reversed Philidor formation } 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4.
Ngf3 Nc6 5. Be2 *

[Apertura "French defence"]
[ECO "C00"]

{ French defence } 1. e4 e6 2. d4 *

[Apertura "Lengfellner system"]
[ECO "C00"]

{ Lengfellner system } 1. e4 e6 2. d4 d6 *

[Apertura "St. George defence"]
[ECO "C00"]

{ St. George defence } 1. e4 e6 2. d4 a6 *

[Apertura "French defence"]
[ECO "C00"]

{ French defence } 1. e4 e6 2. d4 d5 *

[Apertura "French: Schlechter variation"]
[ECO "C00"]

{ French: Schlechter variation } 1. e4 e6 2. d4 d5 3. Bd3 *

[Apertura "French: Alapin variation"]
[ECO "C00"]

{ French: Alapin variation } 1. e4 e6 2. d4 d5 3. Be3 *

[Apertura "French: exchange variation"]
[ECO "C01"]

{ French: exchange variation } 1. e4 e6 2. d4 d5 3. exd5 *

[Apertura "French: exchange, Svenonius variation"]
[ECO "C01"]

{ French: exchange, Svenonius variation } 1. e4 e6 2. d4 d5 3. exd5 exd5
4. Nc3 Nf6 5. Bg5 *

[Apertura "French: exchange, Bogolyubov variation"]
[ECO "C01"]

{ French: exchange, Bogolyubov variation } 1. e4 e6 2. d4 d5 3. exd5 exd5
4. Nc3 Nf6 5. Bg5 Nc6 *

[Apertura "French: advance variation"]
[ECO "C02"]

{ French: advance variation } 1. e4 e6 2. d4 d5 3. e5 *

[Apertura "French: advance, Steinitz variation"]
[ECO "C02"]

{ French: advance, Steinitz variation } 1. e4 e6 2. d4 d5 3. e5 c5 4. dxc5
*

[Apertura "French: advance, Nimzovich variation"]
[ECO "C02"]

{ French: advance, Nimzovich variation } 1. e4 e6 2. d4 d5 3. e5 c5 4.
Qg4 *

[Apertura "French: advance, Nimzovich system"]
[ECO "C02"]

{ French: advance, Nimzovich system } 1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3
*

[Apertura "French: advance variation"]
[ECO "C02"]

{ French: advance variation } 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 *

[Apertura "French: advance, Wade variation"]
[ECO "C02"]

{ French: advance, Wade variation } 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6
5. Nf3 Bd7 *

[Apertura "French: advance variation"]
[ECO "C02"]

{ French: advance variation } 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 *

[Apertura "French: advance, Paulsen attack"]
[ECO "C02"]

{ French: advance, Paulsen attack } 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6
5. Nf3 *

[Apertura "French: advance, Milner-Barry gambit"]
[ECO "C02"]

{ French: advance, Milner-Barry gambit } 1. e4 e6 2. d4 d5 3. e5 c5 4.
c3 Nc6 5. Nf3 Qb6 6. Bd3 *

[Apertura "French: advance, Euwe variation"]
[ECO "C02"]

{ French: advance, Euwe variation } 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6
5. Nf3 Bd7 *

[Apertura "French: Tarrasch"]
[ECO "C03"]

{ French: Tarrasch } 1. e4 e6 2. d4 d5 3. Nd2 *

[Apertura "French: Tarrasch, Haberditz variation"]
[ECO "C03"]

{ French: Tarrasch, Haberditz variation } 1. e4 e6 2. d4 d5 3. Nd2 f5 *

[Apertura "French: Tarrasch, Guimard variation"]
[ECO "C03"]

{ French: Tarrasch, Guimard variation } 1. e4 e6 2. d4 d5 3. Nd2 Nc6 *

[Apertura "French: Tarrasch, Guimard main line"]
[ECO "C04"]

{ French: Tarrasch, Guimard main line } 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4.
Ngf3 Nf6 *

[Apertura "French: Tarrasch, closed variation"]
[ECO "C05"]

{ French: Tarrasch, closed variation } 1. e4 e6 2. d4 d5 3. Nd2 Nf6 *

[Apertura "French: Tarrasch, Botvinnik variation"]
[ECO "C05"]

{ French: Tarrasch, Botvinnik variation } 1. e4 e6 2. d4 d5 3. Nd2 Nf6
4. e5 Nfd7 5. Bd3 c5 6. c3 b6 *

[Apertura "French: Tarrasch, closed variation"]
[ECO "C05"]

{ French: Tarrasch, closed variation } 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4.
e5 Nfd7 5. Bd3 c5 6. c3 Nc6 *

[Apertura "French: Tarrasch, closed variation, ma"]
[ECO "C06"]

{ French: Tarrasch, closed variation, main line } 1. e4 e6 2. d4 d5 3.
Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 *

[Apertura "French: Tarrasch, Leningrad variation"]
[ECO "C06"]

{ French: Tarrasch, Leningrad variation } 1. e4 e6 2. d4 d5 3. Nd2 Nf6
4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Nb6 *

[Apertura "French: Tarrasch, open variation"]
[ECO "C07"]

{ French: Tarrasch, open variation } 1. e4 e6 2. d4 d5 3. Nd2 c5 *

[Apertura "French: Tarrasch, Eliskases variation"]
[ECO "C07"]

{ French: Tarrasch, Eliskases variation } 1. e4 e6 2. d4 d5 3. Nd2 c5 4.
exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd8 *

[Apertura "French: Tarrasch, open, 4.ed ed"]
[ECO "C08"]

{ French: Tarrasch, open, 4.ed ed } 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5
exd5 *

[Apertura "French: Tarrasch, open variation, main"]
[ECO "C09"]

{ French: Tarrasch, open variation, main line } 1. e4 e6 2. d4 d5 3. Nd2
c5 4. exd5 exd5 5. Ngf3 Nc6 *

[Apertura "French: Paulsen variation"]
[ECO "C10"]

{ French: Paulsen variation } 1. e4 e6 2. d4 d5 3. Nc3 *

[Apertura "French: Marshall variation"]
[ECO "C10"]

{ French: Marshall variation } 1. e4 e6 2. d4 d5 3. Nc3 c5 *

[Apertura "French: Rubinstein variation"]
[ECO "C10"]

{ French: Rubinstein variation } 1. e4 e6 2. d4 d5 3. Nc3 dxe4 *

[Apertura "French: Fort Knox variation"]
[ECO "C10"]

{ French: Fort Knox variation } 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7
5. Nf3 Bc6 *

[Apertura "French: Rubinstein variation"]
[ECO "C10"]

{ French: Rubinstein variation } 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4
Nd7 *

[Apertura "French: Rubinstein, Capablanca line"]
[ECO "C10"]

{ French: Rubinstein, Capablanca line } 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4.
Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Ne5 *

[Apertura "French: Frere (Becker) variation"]
[ECO "C10"]

{ French: Frere (Becker) variation } 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4
Qd5 *

[Apertura "French defence"]
[ECO "C11"]

{ French defence } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 *

[Apertura "French: Swiss variation"]
[ECO "C11"]

{ French: Swiss variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bd3 *

[Apertura "French: Henneberger variation"]
[ECO "C11"]

{ French: Henneberger variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Be3 *

[Apertura "French: Steinitz variation"]
[ECO "C11"]

{ French: Steinitz variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 *

[Apertura "French: Steinitz, Bradford attack"]
[ECO "C11"]

{ French: Steinitz, Bradford attack } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5
Nfd7 5. f4 c5 6. dxc5 Bxc5 7. Qg4 *

[Apertura "French: Steinitz variation"]
[ECO "C11"]

{ French: Steinitz variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7
5. f4 c5 6. dxc5 Nc6 *

[Apertura "French: Steinitz, Brodsky-Jones variat"]
[ECO "C11"]

{ French: Steinitz, Brodsky-Jones variation } 1. e4 e6 2. d4 d5 3. Nc3
Nf6 4. e5 Nfd7 5. f4 c5 6. dxc5 Nc6 7. a3 Bxc5 8. Qg4 O-O 9. Nf3 f6 *

[Apertura "French: Steinitz variation"]
[ECO "C11"]

{ French: Steinitz variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7
5. f4 c5 6. Nf3 *

[Apertura "French: Steinitz, Boleslavsky variatio"]
[ECO "C11"]

{ French: Steinitz, Boleslavsky variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 *

[Apertura "French: Steinitz, Gledhill attack"]
[ECO "C11"]

{ French: Steinitz, Gledhill attack } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5
Nfd7 5. Qg4 *

[Apertura "French: Burn variation"]
[ECO "C11"]

{ French: Burn variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 *

[Apertura "French: MacCutcheon variation"]
[ECO "C12"]

{ French: MacCutcheon variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4
*

[Apertura "French: MacCutcheon, Bogolyubov variat"]
[ECO "C12"]

{ French: MacCutcheon, Bogolyubov variation } 1. e4 e6 2. d4 d5 3. Nc3
Nf6 4. Bg5 Bb4 5. exd5 Qxd5 6. Bxf6 gxf6 7. Qd2 Qa5 *

[Apertura "French: MacCutcheon, advance variation"]
[ECO "C12"]

{ French: MacCutcheon, advance variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. Bg5 Bb4 5. e5 *

[Apertura "French: MacCutcheon, Chigorin variatio"]
[ECO "C12"]

{ French: MacCutcheon, Chigorin variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. Bg5 Bb4 5. e5 h6 6. exf6 *

[Apertura "French: MacCutcheon, Grigoriev variati"]
[ECO "C12"]

{ French: MacCutcheon, Grigoriev variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. Bg5 Bb4 5. e5 h6 6. exf6 hxg5 7. fxg7 Rg8 8. h4 gxh4 9. Qg4 *

[Apertura "French: MacCutcheon, Bernstein variati"]
[ECO "C12"]

{ French: MacCutcheon, Bernstein variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. Bg5 Bb4 5. e5 h6 6. Bh4 *

[Apertura "French: MacCutcheon, Janowski variatio"]
[ECO "C12"]

{ French: MacCutcheon, Janowski variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. Bg5 Bb4 5. e5 h6 6. Be3 *

[Apertura "French: MacCutcheon, Dr. Olland (Dutch"]
[ECO "C12"]

{ French: MacCutcheon, Dr. Olland (Dutch) variation } 1. e4 e6 2. d4 d5
3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bc1 *

[Apertura "French: MacCutcheon, Tartakower variat"]
[ECO "C12"]

{ French: MacCutcheon, Tartakower variation } 1. e4 e6 2. d4 d5 3. Nc3
Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Nfd7 *

[Apertura "French: MacCutcheon, Lasker variation"]
[ECO "C12"]

{ French: MacCutcheon, Lasker variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 *

[Apertura "French: MacCutcheon, Duras variation"]
[ECO "C12"]

{ French: MacCutcheon, Duras variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4.
Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 Kf8 9. Bc1 *

[Apertura "French: MacCutcheon, Lasker variation,"]
[ECO "C12"]

{ French: MacCutcheon, Lasker variation, 8...g6 } 1. e4 e6 2. d4 d5 3.
Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 *

[Apertura "French: classical"]
[ECO "C13"]

{ French: classical } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 *

[Apertura "French: classical, Anderssen variation"]
[ECO "C13"]

{ French: classical, Anderssen variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. Bg5 Be7 5. Bxf6 *

[Apertura "French: classical, Anderssen-Richter v"]
[ECO "C13"]

{ French: classical, Anderssen-Richter variation } 1. e4 e6 2. d4 d5 3.
Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Qg4 *

[Apertura "French: classical, Vistaneckis (Nimzov"]
[ECO "C13"]

{ French: classical, Vistaneckis (Nimzovich) variation } 1. e4 e6 2. d4
d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ng8 *

[Apertura "French: classical, Frankfurt variation"]
[ECO "C13"]

{ French: classical, Frankfurt variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. Bg5 Be7 5. e5 Ng8 6. Be3 b6 *

[Apertura "French: classical, Tartakower variatio"]
[ECO "C13"]

{ French: classical, Tartakower variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. Bg5 Be7 5. e5 Ne4 *

[Apertura "French: Albin-Alekhine-Chatard attack"]
[ECO "C13"]

{ French: Albin-Alekhine-Chatard attack } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. Bg5 Be7 5. e5 Nfd7 6. h4 *

[Apertura "French: Albin-Alekhine-Chatard attack,"]
[ECO "C13"]

{ French: Albin-Alekhine-Chatard attack, Maroczy variation } 1. e4 e6 2.
d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6 *

[Apertura "French: Albin-Alekhine-Chatard attack,"]
[ECO "C13"]

{ French: Albin-Alekhine-Chatard attack, Breyer variation } 1. e4 e6 2.
d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 c5 *

[Apertura "French: Albin-Alekhine-Chatard attack,"]
[ECO "C13"]

{ French: Albin-Alekhine-Chatard attack, Teichmann variation } 1. e4 e6
2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 f6 *

[Apertura "French: Albin-Alekhine-Chatard attack,"]
[ECO "C13"]

{ French: Albin-Alekhine-Chatard attack, Spielmann variation } 1. e4 e6
2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 O-O *

[Apertura "French: classical variation"]
[ECO "C14"]

{ French: classical variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7
5. e5 Nfd7 6. Bxe7 Qxe7 *

[Apertura "French: classical, Tarrasch variation"]
[ECO "C14"]

{ French: classical, Tarrasch variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Bd3 *

[Apertura "French: classical, Rubinstein variatio"]
[ECO "C14"]

{ French: classical, Rubinstein variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qd2 *

[Apertura "French: classical, Alapin variation"]
[ECO "C14"]

{ French: classical, Alapin variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4.
Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Nb5 *

[Apertura "French: classical, Pollock variation"]
[ECO "C14"]

{ French: classical, Pollock variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4.
Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qg4 *

[Apertura "French: classical, Steinitz variation"]
[ECO "C14"]

{ French: classical, Steinitz variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 *

[Apertura "French: classical, Stahlberg variation"]
[ECO "C14"]

{ French: classical, Stahlberg variation } 1. e4 e6 2. d4 d5 3. Nc3 Nf6
4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 O-O 8. Nf3 c5 9. Qd2 Nc6 10. O-O-O
c4 *

[Apertura "French: Winawer (Nimzovich) variation"]
[ECO "C15"]

{ French: Winawer (Nimzovich) variation } 1. e4 e6 2. d4 d5 3. Nc3 Bb4
*

[Apertura "French: Winawer, Kondratiyev variation"]
[ECO "C15"]

{ French: Winawer, Kondratiyev variation } 1. e4 e6 2. d4 d5 3. Nc3 Bb4
4. Bd3 c5 5. exd5 Qxd5 6. Bd2 *

[Apertura "French: Winawer, fingerslip variation"]
[ECO "C15"]

{ French: Winawer, fingerslip variation } 1. e4 e6 2. d4 d5 3. Nc3 Bb4
4. Bd2 *

[Apertura "French: Winawer, Alekhine (Maroczy) ga"]
[ECO "C15"]

{ French: Winawer, Alekhine (Maroczy) gambit } 1. e4 e6 2. d4 d5 3. Nc3
Bb4 4. Nge2 *

[Apertura "French: Winawer, Alekhine gambit, Alat"]
[ECO "C15"]

{ French: Winawer, Alekhine gambit, Alatortsev variation } 1. e4 e6 2.
d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. N2g3 O-O 8. Be2
Nc6 *

[Apertura "French: Winawer, Alekhine gambit"]
[ECO "C15"]

{ French: Winawer, Alekhine gambit } 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2
dxe4 5. a3 Bxc3+ *

[Apertura "French: Winawer, Alekhine gambit, Kan "]
[ECO "C15"]

{ French: Winawer, Alekhine gambit, Kan variation } 1. e4 e6 2. d4 d5 3.
Nc3 Bb4 4. Nge2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6 *

[Apertura "French: Winawer, advance variation"]
[ECO "C16"]

{ French: Winawer, advance variation } 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4.
e5 *

[Apertura "French: Winawer, Petrosian variation"]
[ECO "C16"]

{ French: Winawer, Petrosian variation } 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4.
e5 Qd7 *

[Apertura "French: Winawer, advance variation"]
[ECO "C17"]

{ French: Winawer, advance variation } 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4.
e5 c5 *

[Apertura "French: Winawer, advance, Bogolyubov v"]
[ECO "C17"]

{ French: Winawer, advance, Bogolyubov variation } 1. e4 e6 2. d4 d5 3.
Nc3 Bb4 4. e5 c5 5. Bd2 *

[Apertura "French: Winawer, advance, Russian vari"]
[ECO "C17"]

{ French: Winawer, advance, Russian variation } 1. e4 e6 2. d4 d5 3. Nc3
Bb4 4. e5 c5 5. Qg4 *

[Apertura "French: Winawer, advance, 5.a3"]
[ECO "C17"]

{ French: Winawer, advance, 5.a3 } 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5
5. a3 *

[Apertura "French: Winawer, advance, Rauzer varia"]
[ECO "C17"]

{ French: Winawer, advance, Rauzer variation } 1. e4 e6 2. d4 d5 3. Nc3
Bb4 4. e5 c5 5. a3 cxd4 6. axb4 dxc3 7. Nf3 *

[Apertura "French: Winawer, advance variation"]
[ECO "C18"]

{ French: Winawer, advance variation } 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4.
e5 c5 5. a3 Bxc3+ 6. bxc3 *

[Apertura "French: Winawer, classical variation"]
[ECO "C18"]

{ French: Winawer, classical variation } 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4.
e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 *

[Apertura "French: Winawer, advance, 6...Ne7"]
[ECO "C19"]

{ French: Winawer, advance, 6...Ne7 } 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5
c5 5. a3 Bxc3+ 6. bxc3 Ne7 *

[Apertura "French: Winawer, advance, Smyslov vari"]
[ECO "C19"]

{ French: Winawer, advance, Smyslov variation } 1. e4 e6 2. d4 d5 3. Nc3
Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 *

[Apertura "French: Winawer, advance, positional m"]
[ECO "C19"]

{ French: Winawer, advance, positional main line } 1. e4 e6 2. d4 d5 3.
Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 *

[Apertura "French: Winawer, advance, poisoned paw"]
[ECO "C19"]

{ French: Winawer, advance, poisoned pawn variation } 1. e4 e6 2. d4 d5
3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 *

[Apertura "French: Winawer, advance, poisoned paw"]
[ECO "C19"]

{ French: Winawer, advance, poisoned pawn, Euwe-Gligoric variation } 1.
e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8.
Qxg7 Rg8 9. Qxh7 cxd4 10. Kd1 *

[Apertura "French: Winawer, advance, poisoned paw"]
[ECO "C19"]

{ French: Winawer, advance, poisoned pawn, Konstantinopolsky variation
} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4
Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 *

[Apertura "King's pawn game"]
[ECO "C20"]

{ King's pawn game } 1. e4 e5 *

[Apertura "KP: Indian opening"]
[ECO "C20"]

{ KP: Indian opening } 1. e4 e5 2. d3 *

[Apertura "KP: Mengarini's opening"]
[ECO "C20"]

{ KP: Mengarini's opening } 1. e4 e5 2. a3 *

[Apertura "KP: King's head opening"]
[ECO "C20"]

{ KP: King's head opening } 1. e4 e5 2. f3 *

[Apertura "KP: Patzer opening"]
[ECO "C20"]

{ KP: Patzer opening } 1. e4 e5 2. Qh5 *

[Apertura "KP: Napoleon's opening"]
[ECO "C20"]

{ KP: Napoleon's opening } 1. e4 e5 2. Qf3 *

[Apertura "KP: Lopez opening"]
[ECO "C20"]

{ KP: Lopez opening } 1. e4 e5 2. c3 *

[Apertura "Alapin's opening"]
[ECO "C20"]

{ Alapin's opening } 1. e4 e5 2. Ne2 *

[Apertura "Centre game"]
[ECO "C21"]

{ Centre game } 1. e4 e5 2. d4 exd4 *

[Apertura "Centre game, Kieseritsky variation"]
[ECO "C21"]

{ Centre game, Kieseritsky variation } 1. e4 e5 2. d4 exd4 3. Nf3 c5 4.
Bc4 b5 *

[Apertura "Halasz gambit"]
[ECO "C21"]

{ Halasz gambit } 1. e4 e5 2. d4 exd4 3. f4 *

[Apertura "Danish gambit"]
[ECO "C21"]

{ Danish gambit } 1. e4 e5 2. d4 exd4 3. c3 *

[Apertura "Danish gambit: Collijn defence"]
[ECO "C21"]

{ Danish gambit: Collijn defence } 1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4
cxb2 5. Bxb2 Qe7 *

[Apertura "Danish gambit: Schlechter defence"]
[ECO "C21"]

{ Danish gambit: Schlechter defence } 1. e4 e5 2. d4 exd4 3. c3 dxc3 4.
Bc4 cxb2 5. Bxb2 d5 *

[Apertura "Danish gambit: Soerensen defence"]
[ECO "C21"]

{ Danish gambit: Soerensen defence } 1. e4 e5 2. d4 exd4 3. c3 d5 *

[Apertura "Centre game"]
[ECO "C21"]

{ Centre game } 1. e4 e5 2. d4 exd4 3. Qxd4 *

[Apertura "Centre game"]
[ECO "C22"]

{ Centre game } 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 *

[Apertura "Centre game: Paulsen attack"]
[ECO "C22"]

{ Centre game: Paulsen attack } 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3
*

[Apertura "Centre game: Charousek variation"]
[ECO "C22"]

{ Centre game: Charousek variation } 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4.
Qe3 Bb4+ 5. c3 Be7 *

[Apertura "Centre game: l'Hermet variation"]
[ECO "C22"]

{ Centre game: l'Hermet variation } 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4.
Qe3 f5 *

[Apertura "Centre game: Berger variation"]
[ECO "C22"]

{ Centre game: Berger variation } 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3
Nf6 *

[Apertura "Centre game: Kupreichik variation"]
[ECO "C22"]

{ Centre game: Kupreichik variation } 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4.
Qe3 Nf6 5. Nc3 Bb4 6. Bd2 O-O 7. O-O-O Re8 8. Bc4 d6 9. Nh3 *

[Apertura "Centre game: Hall variation"]
[ECO "C22"]

{ Centre game: Hall variation } 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qc4
*

[Apertura "Bishop's opening"]
[ECO "C23"]

{ Bishop's opening } 1. e4 e5 2. Bc4 *

[Apertura "Bishop's opening: Philidor counter-att"]
[ECO "C23"]

{ Bishop's opening: Philidor counter-attack } 1. e4 e5 2. Bc4 c6 *

[Apertura "Bishop's opening: Lisitsyn variation"]
[ECO "C23"]

{ Bishop's opening: Lisitsyn variation } 1. e4 e5 2. Bc4 c6 3. d4 d5 4.
exd5 cxd5 5. Bb5+ Bd7 6. Bxd7+ Nxd7 7. dxe5 Nxe5 8. Ne2 *

[Apertura "Bishop's opening: Calabrese counter-ga"]
[ECO "C23"]

{ Bishop's opening: Calabrese counter-gambit } 1. e4 e5 2. Bc4 f5 *

[Apertura "Bishop's opening: Calabrese counter-ga"]
[ECO "C23"]

{ Bishop's opening: Calabrese counter-gambit, Jaenisch variation } 1. e4
e5 2. Bc4 f5 3. d3 *

[Apertura "Bishop's opening: Classical variation"]
[ECO "C23"]

{ Bishop's opening: Classical variation } 1. e4 e5 2. Bc4 Bc5 *

[Apertura "Bishop's opening: Lopez gambit"]
[ECO "C23"]

{ Bishop's opening: Lopez gambit } 1. e4 e5 2. Bc4 Bc5 3. Qe2 Nc6 4. c3
Nf6 5. f4 *

[Apertura "Bishop's opening: Philidor variation"]
[ECO "C23"]

{ Bishop's opening: Philidor variation } 1. e4 e5 2. Bc4 Bc5 3. c3 *

[Apertura "Bishop's opening: Pratt variation"]
[ECO "C23"]

{ Bishop's opening: Pratt variation } 1. e4 e5 2. Bc4 Bc5 3. c3 Nf6 4.
d4 exd4 5. e5 d5 6. exf6 dxc4 7. Qh5 O-O *

[Apertura "Bishop's opening: Lewis counter-gambit"]
[ECO "C23"]

{ Bishop's opening: Lewis counter-gambit } 1. e4 e5 2. Bc4 Bc5 3. c3 d5
*

[Apertura "Bishop's opening: del Rio variation"]
[ECO "C23"]

{ Bishop's opening: del Rio variation } 1. e4 e5 2. Bc4 Bc5 3. c3 Qg5 *

[Apertura "Bishop's opening: Lewis gambit"]
[ECO "C23"]

{ Bishop's opening: Lewis gambit } 1. e4 e5 2. Bc4 Bc5 3. d4 *

[Apertura "Bishop's opening: Wing gambit"]
[ECO "C23"]

{ Bishop's opening: Wing gambit } 1. e4 e5 2. Bc4 Bc5 3. b4 *

[Apertura "Bishop's opening: MacDonnell double ga"]
[ECO "C23"]

{ Bishop's opening: MacDonnell double gambit } 1. e4 e5 2. Bc4 Bc5 3. b4
Bxb4 4. f4 *

[Apertura "Bishop's opening: Four pawns' gambit"]
[ECO "C23"]

{ Bishop's opening: Four pawns' gambit } 1. e4 e5 2. Bc4 Bc5 3. b4 Bxb4
4. f4 exf4 5. Nf3 Be7 6. d4 Bh4+ 7. g3 fxg3 8. O-O gxh2+ 9. Kh1 *

[Apertura "Bishop's opening: Berlin defence"]
[ECO "C24"]

{ Bishop's opening: Berlin defence } 1. e4 e5 2. Bc4 Nf6 *

[Apertura "Bishop's opening: Greco gambit"]
[ECO "C24"]

{ Bishop's opening: Greco gambit } 1. e4 e5 2. Bc4 Nf6 3. f4 *

[Apertura "Bishop's opening: Ponziani gambit"]
[ECO "C24"]

{ Bishop's opening: Ponziani gambit } 1. e4 e5 2. Bc4 Nf6 3. d4 *

[Apertura "Bishop's opening: Urusov gambit"]
[ECO "C24"]

{ Bishop's opening: Urusov gambit } 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3
*

[Apertura "Bishop's opening: Urusov gambit, Panov"]
[ECO "C24"]

{ Bishop's opening: Urusov gambit, Panov variation } 1. e4 e5 2. Bc4 Nf6
3. d4 exd4 4. Nf3 d5 5. exd5 Bb4+ 6. c3 Qe7+ *

[Apertura "Vienna game"]
[ECO "C25"]

{ Vienna game } 1. e4 e5 2. Nc3 *

[Apertura "Vienna: Zhuravlev countergambit"]
[ECO "C25"]

{ Vienna: Zhuravlev countergambit } 1. e4 e5 2. Nc3 Bb4 3. Qg4 Nf6 *

[Apertura "Vienna game, Max Lange defence"]
[ECO "C25"]

{ Vienna game, Max Lange defence } 1. e4 e5 2. Nc3 Nc6 *

[Apertura "Vienna: Paulsen variation"]
[ECO "C25"]

{ Vienna: Paulsen variation } 1. e4 e5 2. Nc3 Nc6 3. g3 *

[Apertura "Vienna: Fyfe gambit"]
[ECO "C25"]

{ Vienna: Fyfe gambit } 1. e4 e5 2. Nc3 Nc6 3. d4 *

[Apertura "Vienna gambit"]
[ECO "C25"]

{ Vienna gambit } 1. e4 e5 2. Nc3 Nc6 3. f4 *

[Apertura "Vienna: Steinitz gambit"]
[ECO "C25"]

{ Vienna: Steinitz gambit } 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4 *

[Apertura "Vienna: Steinitz gambit, Zukertort def"]
[ECO "C25"]

{ Vienna: Steinitz gambit, Zukertort defence } 1. e4 e5 2. Nc3 Nc6 3. f4
exf4 4. d4 Qh4+ 5. Ke2 d5 *

[Apertura "Vienna: Steinitz gambit, Fraser-Minckw"]
[ECO "C25"]

{ Vienna: Steinitz gambit, Fraser-Minckwitz variation } 1. e4 e5 2. Nc3
Nc6 3. f4 exf4 4. d4 Qh4+ 5. Ke2 b6 *

[Apertura "Vienna gambit"]
[ECO "C25"]

{ Vienna gambit } 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 *

[Apertura "Vienna: Hamppe-Allgaier gambit"]
[ECO "C25"]

{ Vienna: Hamppe-Allgaier gambit } 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3
g5 5. h4 g4 6. Ng5 *

[Apertura "Vienna: Hamppe-Allgaier gambit, Alapin"]
[ECO "C25"]

{ Vienna: Hamppe-Allgaier gambit, Alapin variation } 1. e4 e5 2. Nc3 Nc6
3. f4 exf4 4. Nf3 g5 5. h4 g4 6. Ng5 d6 *

[Apertura "Vienna: Hamppe-Muzio gambit"]
[ECO "C25"]

{ Vienna: Hamppe-Muzio gambit } 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5
5. Bc4 g4 6. O-O *

[Apertura "Vienna: Hamppe-Muzio, Dubois variation"]
[ECO "C25"]

{ Vienna: Hamppe-Muzio, Dubois variation } 1. e4 e5 2. Nc3 Nc6 3. f4 exf4
4. Nf3 g5 5. Bc4 g4 6. O-O gxf3 7. Qxf3 Ne5 8. Qxf4 Qf6 *

[Apertura "Vienna: Pierce gambit"]
[ECO "C25"]

{ Vienna: Pierce gambit } 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. d4
*

[Apertura "Vienna: Pierce gambit, Rushmere attack"]
[ECO "C25"]

{ Vienna: Pierce gambit, Rushmere attack } 1. e4 e5 2. Nc3 Nc6 3. f4 exf4
4. Nf3 g5 5. d4 g4 6. Bc4 gxf3 7. O-O d5 8. exd5 Bg4 9. dxc6 *

[Apertura "Vienna: Falkbeer variation"]
[ECO "C26"]

{ Vienna: Falkbeer variation } 1. e4 e5 2. Nc3 Nf6 *

[Apertura "Vienna: Mengarini variation"]
[ECO "C26"]

{ Vienna: Mengarini variation } 1. e4 e5 2. Nc3 Nf6 3. a3 *

[Apertura "Vienna: Paulsen-Mieses variation"]
[ECO "C26"]

{ Vienna: Paulsen-Mieses variation } 1. e4 e5 2. Nc3 Nf6 3. g3 *

[Apertura "Vienna game"]
[ECO "C26"]

{ Vienna game } 1. e4 e5 2. Nc3 Nf6 3. Bc4 *

[Apertura "Vienna game"]
[ECO "C27"]

{ Vienna game } 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 *

[Apertura "Vienna: `Frankenstein-Dracula' variati"]
[ECO "C27"]

{ Vienna: `Frankenstein-Dracula' variation } 1. e4 e5 2. Nc3 Nf6 3. Bc4
Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 f5 8. Qd5 Qe7 9. Nxc7+ Kd8
10. Nxa8 b6 *

[Apertura "Vienna: Adams' gambit"]
[ECO "C27"]

{ Vienna: Adams' gambit } 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5.
Bb3 Nc6 6. d4 *

[Apertura "Vienna game"]
[ECO "C27"]

{ Vienna game } 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7 *

[Apertura "Vienna: Alekhine variation"]
[ECO "C27"]

{ Vienna: Alekhine variation } 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6
5. Bb3 Be7 6. Nf3 Nc6 7. Nxe5 *

[Apertura "Boden-Kieseritsky gambit"]
[ECO "C27"]

{ Boden-Kieseritsky gambit } 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Nf3 *

[Apertura "Boden-Kieseritsky gambit: Lichtenhein "]
[ECO "C27"]

{ Boden-Kieseritsky gambit: Lichtenhein defence } 1. e4 e5 2. Nc3 Nf6 3.
Bc4 Nxe4 4. Nf3 d5 *

[Apertura "Vienna game"]
[ECO "C28"]

{ Vienna game } 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 *

[Apertura "Vienna gambit"]
[ECO "C29"]

{ Vienna gambit } 1. e4 e5 2. Nc3 Nf6 3. f4 d5 *

[Apertura "Vienna gambit: Kaufmann variation"]
[ECO "C29"]

{ Vienna gambit: Kaufmann variation } 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5
Nxe4 5. Nf3 Bg4 6. Qe2 *

[Apertura "Vienna gambit: Breyer variation"]
[ECO "C29"]

{ Vienna gambit: Breyer variation } 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5
Nxe4 5. Nf3 Be7 *

[Apertura "Vienna gambit: Paulsen attack"]
[ECO "C29"]

{ Vienna gambit: Paulsen attack } 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5
Nxe4 5. Qf3 *

[Apertura "Vienna gambit: Bardeleben variation"]
[ECO "C29"]

{ Vienna gambit: Bardeleben variation } 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4.
fxe5 Nxe4 5. Qf3 f5 *

[Apertura "Vienna gambit: Heyde variation"]
[ECO "C29"]

{ Vienna gambit: Heyde variation } 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5
Nxe4 5. Qf3 f5 6. d4 *

[Apertura "Vienna gambit"]
[ECO "C29"]

{ Vienna gambit } 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3 *

[Apertura "Vienna gambit, Wurzburger trap"]
[ECO "C29"]

{ Vienna gambit, Wurzburger trap } 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5
Nxe4 5. d3 Qh4+ 6. g3 Nxg3 7. Nf3 Qh5 8. Nxd5 *

[Apertura "Vienna gambit, Steinitz variation"]
[ECO "C29"]

{ Vienna gambit, Steinitz variation } 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. d3
*

[Apertura "King's gambit"]
[ECO "C30"]

{ King's gambit } 1. e4 e5 2. f4 *

[Apertura "KGD: Keene's defence"]
[ECO "C30"]

{ KGD: Keene's defence } 1. e4 e5 2. f4 Qh4+ 3. g3 Qe7 *

[Apertura "KGD: Mafia defence"]
[ECO "C30"]

{ KGD: Mafia defence } 1. e4 e5 2. f4 c5 *

[Apertura "KGD: Norwalde variation"]
[ECO "C30"]

{ KGD: Norwalde variation } 1. e4 e5 2. f4 Qf6 *

[Apertura "KGD: Norwalde variation, Buecker gambi"]
[ECO "C30"]

{ KGD: Norwalde variation, Buecker gambit } 1. e4 e5 2. f4 Qf6 3. Nf3 Qxf4
4. Nc3 Bb4 5. Bc4 *

[Apertura "KGD: classical variation"]
[ECO "C30"]

{ KGD: classical variation } 1. e4 e5 2. f4 Bc5 *

[Apertura "KGD: classical, Svenonius variation"]
[ECO "C30"]

{ KGD: classical, Svenonius variation } 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4.
Nc3 Nf6 5. Bc4 Nc6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 exf4 *

[Apertura "KGD: classical, Hanham variation"]
[ECO "C30"]

{ KGD: classical, Hanham variation } 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3
Nd7 *

[Apertura "KGD: classical, 4.c3"]
[ECO "C30"]

{ KGD: classical, 4.c3 } 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 *

[Apertura "KGD: classical, Marshall attack"]
[ECO "C30"]

{ KGD: classical, Marshall attack } 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3
Bg4 5. fxe5 dxe5 6. Qa4+ *

[Apertura "KGD: classical counter-gambit"]
[ECO "C30"]

{ KGD: classical counter-gambit } 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 f5
*

[Apertura "KGD: classical, Reti variation"]
[ECO "C30"]

{ KGD: classical, Reti variation } 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 f5
5. fxe5 dxe5 6. d4 exd4 7. Bc4 *

[Apertura "KGD: classical, Soldatenkov variation"]
[ECO "C30"]

{ KGD: classical, Soldatenkov variation } 1. e4 e5 2. f4 Bc5 3. Nf3 d6
4. fxe5 *

[Apertura "KGD: classical, Heath variation"]
[ECO "C30"]

{ KGD: classical, Heath variation } 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. b4
*

[Apertura "KGD: 2...Nf6"]
[ECO "C30"]

{ KGD: 2...Nf6 } 1. e4 e5 2. f4 Nf6 *

[Apertura "KGD: Falkbeer counter-gambit"]
[ECO "C31"]

{ KGD: Falkbeer counter-gambit } 1. e4 e5 2. f4 d5 *

[Apertura "KGD: Falkbeer, Tartakower variation"]
[ECO "C31"]

{ KGD: Falkbeer, Tartakower variation } 1. e4 e5 2. f4 d5 3. Nf3 *

[Apertura "KGD: Falkbeer, Milner-Barry variation"]
[ECO "C31"]

{ KGD: Falkbeer, Milner-Barry variation } 1. e4 e5 2. f4 d5 3. Nc3 *

[Apertura "KGD: Falkbeer counter-gambit"]
[ECO "C31"]

{ KGD: Falkbeer counter-gambit } 1. e4 e5 2. f4 d5 3. exd5 *

[Apertura "KGD: Nimzovich counter-gambit"]
[ECO "C31"]

{ KGD: Nimzovich counter-gambit } 1. e4 e5 2. f4 d5 3. exd5 c6 *

[Apertura "KGD: Falkbeer, 3...e4"]
[ECO "C31"]

{ KGD: Falkbeer, 3...e4 } 1. e4 e5 2. f4 d5 3. exd5 e4 *

[Apertura "KGD: Falkbeer, Rubinstein variation"]
[ECO "C31"]

{ KGD: Falkbeer, Rubinstein variation } 1. e4 e5 2. f4 d5 3. exd5 e4 4.
Nc3 Nf6 5. Qe2 *

[Apertura "KGD: Falkbeer, Nimzovich variation"]
[ECO "C31"]

{ KGD: Falkbeer, Nimzovich variation } 1. e4 e5 2. f4 d5 3. exd5 e4 4.
Bb5+ *

[Apertura "KGD: Falkbeer, 4.d3"]
[ECO "C31"]

{ KGD: Falkbeer, 4.d3 } 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 *

[Apertura "KGD: Falkbeer, Morphy gambit"]
[ECO "C31"]

{ KGD: Falkbeer, Morphy gambit } 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6
5. Nc3 Bb4 6. Bd2 e3 *

[Apertura "KGD: Falkbeer, 5.de"]
[ECO "C32"]

{ KGD: Falkbeer, 5.de } 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4
*

[Apertura "KGD: Falkbeer, Alapin variation"]
[ECO "C32"]

{ KGD: Falkbeer, Alapin variation } 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3
Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Bf2+ 8. Kd1 Qxd5+ 9. Nfd2 *

[Apertura "KGD: Falkbeer, main line, 7...Bf5"]
[ECO "C32"]

{ KGD: Falkbeer, main line, 7...Bf5 } 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3
Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Bf5 *

[Apertura "KGD: Falkbeer, Tarrasch variation"]
[ECO "C32"]

{ KGD: Falkbeer, Tarrasch variation } 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3
Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Bf5 8. g4 O-O *

[Apertura "KGD: Falkbeer, Charousek gambit"]
[ECO "C32"]

{ KGD: Falkbeer, Charousek gambit } 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3
Nf6 5. dxe4 Nxe4 6. Qe2 *

[Apertura "KGD: Falkbeer, Charousek variation"]
[ECO "C32"]

{ KGD: Falkbeer, Charousek variation } 1. e4 e5 2. f4 d5 3. exd5 e4 4.
d3 Nf6 5. dxe4 Nxe4 6. Qe2 Qxd5 7. Nd2 f5 8. g4 *

[Apertura "KGD: Falkbeer, Keres variation"]
[ECO "C32"]

{ KGD: Falkbeer, Keres variation } 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6
5. Nd2 *

[Apertura "KGD: Falkbeer, Reti variation"]
[ECO "C32"]

{ KGD: Falkbeer, Reti variation } 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6
5. Qe2 *

[Apertura "King's gambit accepted"]
[ECO "C33"]

{ King's gambit accepted } 1. e4 e5 2. f4 exf4 *

[Apertura "KGA: Tumbleweed gambit"]
[ECO "C33"]

{ KGA: Tumbleweed gambit } 1. e4 e5 2. f4 exf4 3. Kf2 *

[Apertura "KGA: Orsini gambit"]
[ECO "C33"]

{ KGA: Orsini gambit } 1. e4 e5 2. f4 exf4 3. b3 *

[Apertura "KGA: Pawn's gambit (Stamma gambit)"]
[ECO "C33"]

{ KGA: Pawn's gambit (Stamma gambit) } 1. e4 e5 2. f4 exf4 3. h4 *

[Apertura "KGA: Schurig gambit"]
[ECO "C33"]

{ KGA: Schurig gambit } 1. e4 e5 2. f4 exf4 3. Bd3 *

[Apertura "KGA: Carrera (Basman) gambit"]
[ECO "C33"]

{ KGA: Carrera (Basman) gambit } 1. e4 e5 2. f4 exf4 3. Qe2 *

[Apertura "KGA: Villemson (Steinitz) gambit"]
[ECO "C33"]

{ KGA: Villemson (Steinitz) gambit } 1. e4 e5 2. f4 exf4 3. d4 *

[Apertura "KGA: Keres (Mason-Steinitz) gambit"]
[ECO "C33"]

{ KGA: Keres (Mason-Steinitz) gambit } 1. e4 e5 2. f4 exf4 3. Nc3 *

[Apertura "KGA: Breyer gambit"]
[ECO "C33"]

{ KGA: Breyer gambit } 1. e4 e5 2. f4 exf4 3. Qf3 *

[Apertura "KGA: Lesser bishop's (Petroff-Jaenisch"]
[ECO "C33"]

{ KGA: Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit } 1. e4 e5
2. f4 exf4 3. Be2 *

[Apertura "KGA: bishop's gambit"]
[ECO "C33"]

{ KGA: bishop's gambit } 1. e4 e5 2. f4 exf4 3. Bc4 *

[Apertura "KGA: bishop's gambit, Chigorin's attac"]
[ECO "C33"]

{ KGA: bishop's gambit, Chigorin's attack } 1. e4 e5 2. f4 exf4 3. Bc4
Qh4+ 4. Kf1 d5 5. Bxd5 g5 6. g3 *

[Apertura "KGA: bishop's gambit, Greco variation"]
[ECO "C33"]

{ KGA: bishop's gambit, Greco variation } 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+
4. Kf1 Bc5 *

[Apertura "KGA: bishop's gambit, classical defenc"]
[ECO "C33"]

{ KGA: bishop's gambit, classical defence } 1. e4 e5 2. f4 exf4 3. Bc4
Qh4+ 4. Kf1 g5 *

[Apertura "KGA: bishop's gambit, Grimm attack"]
[ECO "C33"]

{ KGA: bishop's gambit, Grimm attack } 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+
4. Kf1 g5 5. Nc3 Bg7 6. d4 d6 7. e5 *

[Apertura "KGA: bishop's gambit, classical defenc"]
[ECO "C33"]

{ KGA: bishop's gambit, classical defence } 1. e4 e5 2. f4 exf4 3. Bc4
Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. d4 Ne7 *

[Apertura "KGA: bishop's gambit, McDonnell attack"]
[ECO "C33"]

{ KGA: bishop's gambit, McDonnell attack } 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+
4. Kf1 g5 5. Nc3 Bg7 6. d4 Ne7 7. g3 *

[Apertura "KGA: bishop's gambit, McDonnell attack"]
[ECO "C33"]

{ KGA: bishop's gambit, McDonnell attack } 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+
4. Kf1 g5 5. Nc3 Bg7 6. g3 *

[Apertura "KGA: bishop's gambit, Fraser variation"]
[ECO "C33"]

{ KGA: bishop's gambit, Fraser variation } 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+
4. Kf1 g5 5. Nc3 Bg7 6. g3 fxg3 7. Qf3 *

[Apertura "KGA: bishop's gambit, classical defenc"]
[ECO "C33"]

{ KGA: bishop's gambit, classical defence, Cozio attack } 1. e4 e5 2. f4
exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Qf3 *

[Apertura "KGA: bishop's gambit, Boden defence"]
[ECO "C33"]

{ KGA: bishop's gambit, Boden defence } 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+
4. Kf1 Nc6 *

[Apertura "KGA: bishop's gambit, Bryan counter-ga"]
[ECO "C33"]

{ KGA: bishop's gambit, Bryan counter-gambit } 1. e4 e5 2. f4 exf4 3. Bc4
Qh4+ 4. Kf1 b5 *

[Apertura "KGA: bishop's gambit, Bryan counter-ga"]
[ECO "C33"]

{ KGA: bishop's gambit, Bryan counter-gambit } 1. e4 e5 2. f4 exf4 3. Bc4
b5 *

[Apertura "KGA: bishop's gambit, Steinitz defence"]
[ECO "C33"]

{ KGA: bishop's gambit, Steinitz defence } 1. e4 e5 2. f4 exf4 3. Bc4 Ne7
*

[Apertura "KGA: bishop's gambit, Maurian defence"]
[ECO "C33"]

{ KGA: bishop's gambit, Maurian defence } 1. e4 e5 2. f4 exf4 3. Bc4 Nc6
*

[Apertura "KGA: bishop's gambit, Ruy Lopez defenc"]
[ECO "C33"]

{ KGA: bishop's gambit, Ruy Lopez defence } 1. e4 e5 2. f4 exf4 3. Bc4
c6 *

[Apertura "KGA: bishop's gambit, Lopez-Gianutio c"]
[ECO "C33"]

{ KGA: bishop's gambit, Lopez-Gianutio counter-gambit } 1. e4 e5 2. f4
exf4 3. Bc4 f5 *

[Apertura "KGA: Lopez-Gianutio counter-gambit, He"]
[ECO "C33"]

{ KGA: Lopez-Gianutio counter-gambit, Hein variation } 1. e4 e5 2. f4 exf4
3. Bc4 f5 4. Qe2 Qh4+ 5. Kd1 fxe4 6. Nc3 Kd8 *

[Apertura "KGA: bishop's gambit, Bledow variation"]
[ECO "C33"]

{ KGA: bishop's gambit, Bledow variation } 1. e4 e5 2. f4 exf4 3. Bc4 d5
*

[Apertura "KGA: bishop's gambit, Gifford variatio"]
[ECO "C33"]

{ KGA: bishop's gambit, Gifford variation } 1. e4 e5 2. f4 exf4 3. Bc4
d5 4. Bxd5 Qh4+ 5. Kf1 g5 6. g3 *

[Apertura "KGA: bishop's gambit, Boren-Svenonius "]
[ECO "C33"]

{ KGA: bishop's gambit, Boren-Svenonius variation } 1. e4 e5 2. f4 exf4
3. Bc4 d5 4. Bxd5 Qh4+ 5. Kf1 Bd6 *

[Apertura "KGA: bishop's gambit, Anderssen variat"]
[ECO "C33"]

{ KGA: bishop's gambit, Anderssen variation } 1. e4 e5 2. f4 exf4 3. Bc4
d5 4. Bxd5 c6 *

[Apertura "KGA: bishop's gambit, Morphy variation"]
[ECO "C33"]

{ KGA: bishop's gambit, Morphy variation } 1. e4 e5 2. f4 exf4 3. Bc4 d5
4. Bxd5 Nf6 *

[Apertura "KGA: bishop's gambit, Cozio (Morphy) d"]
[ECO "C33"]

{ KGA: bishop's gambit, Cozio (Morphy) defence } 1. e4 e5 2. f4 exf4 3.
Bc4 Nf6 *

[Apertura "KGA: bishop's gambit, Bogolyubov varia"]
[ECO "C33"]

{ KGA: bishop's gambit, Bogolyubov variation } 1. e4 e5 2. f4 exf4 3. Bc4
Nf6 4. Nc3 *

[Apertura "KGA: bishop's gambit, Paulsen attack"]
[ECO "C33"]

{ KGA: bishop's gambit, Paulsen attack } 1. e4 e5 2. f4 exf4 3. Bc4 Nf6
4. Nc3 Bb4 5. e5 *

[Apertura "KGA: bishop's gambit, Jaenisch variati"]
[ECO "C33"]

{ KGA: bishop's gambit, Jaenisch variation } 1. e4 e5 2. f4 exf4 3. Bc4
Nf6 4. Nc3 c6 *

[Apertura "King's knight's gambit"]
[ECO "C34"]

{ King's knight's gambit } 1. e4 e5 2. f4 exf4 3. Nf3 *

[Apertura "KGA: Bonsch-Osmolovsky variation"]
[ECO "C34"]

{ KGA: Bonsch-Osmolovsky variation } 1. e4 e5 2. f4 exf4 3. Nf3 Ne7 *

[Apertura "KGA: Gianutio counter-gambit"]
[ECO "C34"]

{ KGA: Gianutio counter-gambit } 1. e4 e5 2. f4 exf4 3. Nf3 f5 *

[Apertura "KGA: Fischer defence"]
[ECO "C34"]

{ KGA: Fischer defence } 1. e4 e5 2. f4 exf4 3. Nf3 d6 *

[Apertura "KGA: Becker defence"]
[ECO "C34"]

{ KGA: Becker defence } 1. e4 e5 2. f4 exf4 3. Nf3 h6 *

[Apertura "KGA: Schallop defence"]
[ECO "C34"]

{ KGA: Schallop defence } 1. e4 e5 2. f4 exf4 3. Nf3 Nf6 *

[Apertura "KGA: Cunningham defence"]
[ECO "C35"]

{ KGA: Cunningham defence } 1. e4 e5 2. f4 exf4 3. Nf3 Be7 *

[Apertura "KGA: Cunningham, Bertin gambit"]
[ECO "C35"]

{ KGA: Cunningham, Bertin gambit } 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4
Bh4+ 5. g3 *

[Apertura "KGA: Cunningham, three pawns gambit"]
[ECO "C35"]

{ KGA: Cunningham, three pawns gambit } 1. e4 e5 2. f4 exf4 3. Nf3 Be7
4. Bc4 Bh4+ 5. g3 fxg3 6. O-O gxh2+ 7. Kh1 *

[Apertura "KGA: Cunningham, Euwe defence"]
[ECO "C35"]

{ KGA: Cunningham, Euwe defence } 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4
Nf6 *

[Apertura "KGA: Abbazia defence (classical defenc"]
[ECO "C36"]

{ KGA: Abbazia defence (classical defence, modern defence[!]) } 1. e4 e5
2. f4 exf4 3. Nf3 d5 *

[Apertura "KGA: Abbazia defence, modern variation"]
[ECO "C36"]

{ KGA: Abbazia defence, modern variation } 1. e4 e5 2. f4 exf4 3. Nf3 d5
4. exd5 Nf6 *

[Apertura "KGA: Abbazia defence, Botvinnik variat"]
[ECO "C36"]

{ KGA: Abbazia defence, Botvinnik variation } 1. e4 e5 2. f4 exf4 3. Nf3
d5 4. exd5 Nf6 5. Bb5+ c6 6. dxc6 bxc6 7. Bc4 Nd5 *

[Apertura "KGA: Quaade gambit"]
[ECO "C37"]

{ KGA: Quaade gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Nc3 *

[Apertura "KGA: Rosentreter gambit"]
[ECO "C37"]

{ KGA: Rosentreter gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4 *

[Apertura "KGA: Soerensen gambit"]
[ECO "C37"]

{ KGA: Soerensen gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4 g4 5. Ne5
*

[Apertura "KGA: King's knight's gambit"]
[ECO "C37"]

{ KGA: King's knight's gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 *

[Apertura "KGA: Blachly gambit"]
[ECO "C37"]

{ KGA: Blachly gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Nc6 *

[Apertura "KGA: Lolli gambit (wild Muzio gambit)"]
[ECO "C37"]

{ KGA: Lolli gambit (wild Muzio gambit) } 1. e4 e5 2. f4 exf4 3. Nf3 g5
4. Bc4 g4 5. Bxf7+ *

[Apertura "KGA: Lolli gambit, Young variation"]
[ECO "C37"]

{ KGA: Lolli gambit, Young variation } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4.
Bc4 g4 5. Bxf7+ Kxf7 6. O-O gxf3 7. Qxf3 Qf6 8. d4 Qxd4+ 9. Be3 Qf6 10.
Nc3 *

[Apertura "KGA: Ghulam Kassim gambit"]
[ECO "C37"]

{ KGA: Ghulam Kassim gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5.
d4 *

[Apertura "KGA: MacDonnell gambit"]
[ECO "C37"]

{ KGA: MacDonnell gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Nc3
*

[Apertura "KGA: Salvio gambit"]
[ECO "C37"]

{ KGA: Salvio gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 *

[Apertura "KGA: Silberschmidt gambit"]
[ECO "C37"]

{ KGA: Silberschmidt gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5.
Ne5 Qh4+ 6. Kf1 Nh6 7. d4 f3 *

[Apertura "KGA: Salvio gambit, Anderssen counter-"]
[ECO "C37"]

{ KGA: Salvio gambit, Anderssen counter-attack } 1. e4 e5 2. f4 exf4 3.
Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 Nh6 7. d4 d6 *

[Apertura "KGA: Cochrane gambit"]
[ECO "C37"]

{ KGA: Cochrane gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5
Qh4+ 6. Kf1 f3 *

[Apertura "KGA: Herzfeld gambit"]
[ECO "C37"]

{ KGA: Herzfeld gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5
Qh4+ 6. Kf1 Nc6 *

[Apertura "KGA: Muzio gambit"]
[ECO "C37"]

{ KGA: Muzio gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O *

[Apertura "KGA: Muzio gambit, Paulsen variation"]
[ECO "C37"]

{ KGA: Muzio gambit, Paulsen variation } 1. e4 e5 2. f4 exf4 3. Nf3 g5
4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 7. e5 Qxe5 8. d3 Bh6 9. Nc3 Ne7 10. Bd2
Nbc6 11. Rae1 *

[Apertura "KGA: double Muzio gambit"]
[ECO "C37"]

{ KGA: double Muzio gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5.
O-O gxf3 6. Qxf3 Qf6 7. e5 Qxe5 8. Bxf7+ *

[Apertura "KGA: Muzio gambit, From defence"]
[ECO "C37"]

{ KGA: Muzio gambit, From defence } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4
g4 5. O-O gxf3 6. Qxf3 Qe7 *

[Apertura "KGA: Muzio gambit, Holloway defence"]
[ECO "C37"]

{ KGA: Muzio gambit, Holloway defence } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4.
Bc4 g4 5. O-O gxf3 6. Qxf3 Nc6 *

[Apertura "KGA: Muzio gambit, Kling and Horwitz c"]
[ECO "C37"]

{ KGA: Muzio gambit, Kling and Horwitz counter-attack } 1. e4 e5 2. f4
exf4 3. Nf3 g5 4. Bc4 g4 5. O-O Qe7 *

[Apertura "KGA: Muzio gambit, Brentano defence"]
[ECO "C37"]

{ KGA: Muzio gambit, Brentano defence } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4.
Bc4 g4 5. O-O d5 *

[Apertura "King's knight's gambit"]
[ECO "C38"]

{ King's knight's gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 *

[Apertura "KGA: Hanstein gambit"]
[ECO "C38"]

{ KGA: Hanstein gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. O-O
*

[Apertura "KGA: Philidor gambit"]
[ECO "C38"]

{ KGA: Philidor gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. h4
*

[Apertura "KGA: Greco gambit"]
[ECO "C38"]

{ KGA: Greco gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. h4 h6
6. d4 d6 7. Nc3 c6 8. hxg5 hxg5 9. Rxh8 Bxh8 10. Ne5 *

[Apertura "KGA: Philidor gambit, Schultz variatio"]
[ECO "C38"]

{ KGA: Philidor gambit, Schultz variation } 1. e4 e5 2. f4 exf4 3. Nf3
g5 4. Bc4 Bg7 5. h4 h6 6. d4 d6 7. Qd3 *

[Apertura "King's knight's gambit"]
[ECO "C39"]

{ King's knight's gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 *

[Apertura "KGA: Allgaier gambit"]
[ECO "C39"]

{ KGA: Allgaier gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5
*

[Apertura "KGA: Allgaier, Horny defence"]
[ECO "C39"]

{ KGA: Allgaier, Horny defence } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4
5. Ng5 h6 6. Nxf7 Kxf7 7. Qxg4 Nf6 8. Qxf4 Bd6 *

[Apertura "KGA: Allgaier, Thorold variation"]
[ECO "C39"]

{ KGA: Allgaier, Thorold variation } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4
g4 5. Ng5 h6 6. Nxf7 Kxf7 7. d4 *

[Apertura "KGA: Allgaier, Cook variation"]
[ECO "C39"]

{ KGA: Allgaier, Cook variation } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4
5. Ng5 h6 6. Nxf7 Kxf7 7. d4 d5 8. Bxf4 dxe4 9. Bc4+ Kg7 10. Be5+ *

[Apertura "KGA: Allgaier, Blackburne gambit"]
[ECO "C39"]

{ KGA: Allgaier, Blackburne gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4
g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Nc3 *

[Apertura "KGA: Allgaier, Walker attack"]
[ECO "C39"]

{ KGA: Allgaier, Walker attack } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4
5. Ng5 h6 6. Nxf7 Kxf7 7. Bc4+ *

[Apertura "KGA: Allgaier, Urusov attack"]
[ECO "C39"]

{ KGA: Allgaier, Urusov attack } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4
5. Ng5 h6 6. Nxf7 Kxf7 7. Bc4+ d5 8. Bxd5+ Kg7 9. d4 *

[Apertura "KGA: Allgaier, Schlechter defence"]
[ECO "C39"]

{ KGA: Allgaier, Schlechter defence } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4.
h4 g4 5. Ng5 Nf6 *

[Apertura "KGA: Kieseritsky, Paulsen defence"]
[ECO "C39"]

{ KGA: Kieseritsky, Paulsen defence } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4.
h4 g4 5. Ne5 Bg7 *

[Apertura "KGA: Kieseritsky, long whip (Stockwhip"]
[ECO "C39"]

{ KGA: Kieseritsky, long whip (Stockwhip, classical) defence } 1. e4 e5
2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 h5 *

[Apertura "KGA: Kieseritsky, long whip defence, J"]
[ECO "C39"]

{ KGA: Kieseritsky, long whip defence, Jaenisch variation } 1. e4 e5 2.
f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 h5 6. Bc4 Rh7 7. d4 Bh6 8. Nc3 *

[Apertura "KGA: Kieseritsky, Brentano (Campbell) "]
[ECO "C39"]

{ KGA: Kieseritsky, Brentano (Campbell) defence } 1. e4 e5 2. f4 exf4 3.
Nf3 g5 4. h4 g4 5. Ne5 d5 *

[Apertura "KGA: Kieseritsky, Brentano defence, Ka"]
[ECO "C39"]

{ KGA: Kieseritsky, Brentano defence, Kaplanek variation } 1. e4 e5 2.
f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5 6. d4 Nf6 7. exd5 Qxd5 8. Nc3 Bb4
9. Kf2 *

[Apertura "KGA: Kieseritsky, Brentano defence"]
[ECO "C39"]

{ KGA: Kieseritsky, Brentano defence } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4.
h4 g4 5. Ne5 d5 6. d4 Nf6 7. Bxf4 *

[Apertura "KGA: Kieseritsky, Brentano defence, Ca"]
[ECO "C39"]

{ KGA: Kieseritsky, Brentano defence, Caro variation } 1. e4 e5 2. f4 exf4
3. Nf3 g5 4. h4 g4 5. Ne5 d5 6. d4 Nf6 7. Bxf4 Nxe4 8. Nd2 *

[Apertura "KGA: Kieseritsky, Salvio (Rosenthal) d"]
[ECO "C39"]

{ KGA: Kieseritsky, Salvio (Rosenthal) defence } 1. e4 e5 2. f4 exf4 3.
Nf3 g5 4. h4 g4 5. Ne5 Qe7 *

[Apertura "KGA: Kieseritsky, Salvio defence, Cozi"]
[ECO "C39"]

{ KGA: Kieseritsky, Salvio defence, Cozio variation } 1. e4 e5 2. f4 exf4
3. Nf3 g5 4. h4 g4 5. Ne5 Qe7 6. d4 f5 7. Bc4 *

[Apertura "KGA: Kieseritsky, Polerio defence"]
[ECO "C39"]

{ KGA: Kieseritsky, Polerio defence } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4.
h4 g4 5. Ne5 Be7 *

[Apertura "KGA: Kieseritsky, Neumann defence"]
[ECO "C39"]

{ KGA: Kieseritsky, Neumann defence } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4.
h4 g4 5. Ne5 Nc6 *

[Apertura "KGA: Kieseritsky, Kolisch defence"]
[ECO "C39"]

{ KGA: Kieseritsky, Kolisch defence } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4.
h4 g4 5. Ne5 d6 *

[Apertura "KGA: Kieseritsky, Berlin defence"]
[ECO "C39"]

{ KGA: Kieseritsky, Berlin defence } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4
g4 5. Ne5 Nf6 *

[Apertura "KGA: Kieseritsky, Berlin defence, Rivi"]
[ECO "C39"]

{ KGA: Kieseritsky, Berlin defence, Riviere variation } 1. e4 e5 2. f4
exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Nxg4 d5 *

[Apertura "KGA: Kieseritsky, Berlin defence, 6.Bc"]
[ECO "C39"]

{ KGA: Kieseritsky, Berlin defence, 6.Bc4 } 1. e4 e5 2. f4 exf4 3. Nf3
g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 *

[Apertura "KGA: Kieseritsky, Rice gambit"]
[ECO "C39"]

{ KGA: Kieseritsky, Rice gambit } 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4
5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6 8. O-O *

[Apertura "King's knight opening"]
[ECO "C40"]

{ King's knight opening } 1. e4 e5 2. Nf3 *

[Apertura "Gunderam defence"]
[ECO "C40"]

{ Gunderam defence } 1. e4 e5 2. Nf3 Qe7 *

[Apertura "Greco defence"]
[ECO "C40"]

{ Greco defence } 1. e4 e5 2. Nf3 Qf6 *

[Apertura "Damiano's defence"]
[ECO "C40"]

{ Damiano's defence } 1. e4 e5 2. Nf3 f6 *

[Apertura "QP counter-gambit (elephant gambit)"]
[ECO "C40"]

{ QP counter-gambit (elephant gambit) } 1. e4 e5 2. Nf3 d5 *

[Apertura "QP counter-gambit: Maroczy gambit"]
[ECO "C40"]

{ QP counter-gambit: Maroczy gambit } 1. e4 e5 2. Nf3 d5 3. exd5 Bd6 *

[Apertura "Latvian counter-gambit"]
[ECO "C40"]

{ Latvian counter-gambit } 1. e4 e5 2. Nf3 f5 *

[Apertura "Latvian: Nimzovich variation"]
[ECO "C40"]

{ Latvian: Nimzovich variation } 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6
5. Nc4 fxe4 6. Ne3 *

[Apertura "Latvian: Fraser defence"]
[ECO "C40"]

{ Latvian: Fraser defence } 1. e4 e5 2. Nf3 f5 3. Nxe5 Nc6 *

[Apertura "Latvian gambit, 3.Bc4"]
[ECO "C40"]

{ Latvian gambit, 3.Bc4 } 1. e4 e5 2. Nf3 f5 3. Bc4 *

[Apertura "Latvian: Behting variation"]
[ECO "C40"]

{ Latvian: Behting variation } 1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 Qg5
5. Nf7 Qxg2 6. Rf1 d5 7. Nxh8 Nf6 *

[Apertura "Latvian: Polerio variation"]
[ECO "C40"]

{ Latvian: Polerio variation } 1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 d5
*

[Apertura "Latvian: corkscrew counter-gambit"]
[ECO "C40"]

{ Latvian: corkscrew counter-gambit } 1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4.
Nxe5 Nf6 *

[Apertura "Philidor's defence"]
[ECO "C41"]

{ Philidor's defence } 1. e4 e5 2. Nf3 d6 *

[Apertura "Philidor: Steinitz variation"]
[ECO "C41"]

{ Philidor: Steinitz variation } 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. c3 *

[Apertura "Philidor: Lopez counter-gambit"]
[ECO "C41"]

{ Philidor: Lopez counter-gambit } 1. e4 e5 2. Nf3 d6 3. Bc4 f5 *

[Apertura "Philidor: Lopez counter-gambit, Jaenis"]
[ECO "C41"]

{ Philidor: Lopez counter-gambit, Jaenisch variation } 1. e4 e5 2. Nf3
d6 3. Bc4 f5 4. d4 exd4 5. Ng5 Nh6 6. Nxh7 *

[Apertura "Philidor's defence"]
[ECO "C41"]

{ Philidor's defence } 1. e4 e5 2. Nf3 d6 3. d4 *

[Apertura "Philidor: Philidor counter-gambit"]
[ECO "C41"]

{ Philidor: Philidor counter-gambit } 1. e4 e5 2. Nf3 d6 3. d4 f5 *

[Apertura "Philidor: Philidor counter-gambit, del"]
[ECO "C41"]

{ Philidor: Philidor counter-gambit, del Rio attack } 1. e4 e5 2. Nf3 d6
3. d4 f5 4. dxe5 fxe4 5. Ng5 d5 6. e6 *

[Apertura "Philidor: Philidor counter-gambit, Ber"]
[ECO "C41"]

{ Philidor: Philidor counter-gambit, Berger variation } 1. e4 e5 2. Nf3
d6 3. d4 f5 4. dxe5 fxe4 5. Ng5 d5 6. e6 Bc5 7. Nc3 *

[Apertura "Philidor: Philidor counter-gambit, Zuk"]
[ECO "C41"]

{ Philidor: Philidor counter-gambit, Zukertort variation } 1. e4 e5 2.
Nf3 d6 3. d4 f5 4. Nc3 *

[Apertura "Philidor: exchange variation"]
[ECO "C41"]

{ Philidor: exchange variation } 1. e4 e5 2. Nf3 d6 3. d4 exd4 *

[Apertura "Philidor: Boden variation"]
[ECO "C41"]

{ Philidor: Boden variation } 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Bd7
*

[Apertura "Philidor: exchange variation"]
[ECO "C41"]

{ Philidor: exchange variation } 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4
*

[Apertura "Philidor: Paulsen attack"]
[ECO "C41"]

{ Philidor: Paulsen attack } 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 d5 5.
exd5 *

[Apertura "Philidor: exchange variation"]
[ECO "C41"]

{ Philidor: exchange variation } 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4
Nf6 *

[Apertura "Philidor: Berger variation"]
[ECO "C41"]

{ Philidor: Berger variation } 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6
5. Nc3 Be7 6. Be2 O-O 7. O-O c5 8. Nf3 Nc6 9. Bg5 Be6 10. Re1 *

[Apertura "Philidor: Larsen variation"]
[ECO "C41"]

{ Philidor: Larsen variation } 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6
*

[Apertura "Philidor: Nimzovich (Jaenisch) variati"]
[ECO "C41"]

{ Philidor: Nimzovich (Jaenisch) variation } 1. e4 e5 2. Nf3 d6 3. d4 Nf6
*

[Apertura "Philidor: Improved Hanham variation"]
[ECO "C41"]

{ Philidor: Improved Hanham variation } 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4.
Nc3 Nbd7 *

[Apertura "Philidor: Nimzovich, Sozin variation"]
[ECO "C41"]

{ Philidor: Nimzovich, Sozin variation } 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4.
Nc3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Qe2 c6 8. a4 exd4 *

[Apertura "Philidor: Nimzovich, Larobok variation"]
[ECO "C41"]

{ Philidor: Nimzovich, Larobok variation } 1. e4 e5 2. Nf3 d6 3. d4 Nf6
4. Nc3 Nbd7 5. Bc4 Be7 6. Ng5 O-O 7. Bxf7+ *

[Apertura "Philidor: Nimzovich variation"]
[ECO "C41"]

{ Philidor: Nimzovich variation } 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5
*

[Apertura "Philidor: Nimzovich, Sokolsky variatio"]
[ECO "C41"]

{ Philidor: Nimzovich, Sokolsky variation } 1. e4 e5 2. Nf3 d6 3. d4 Nf6
4. dxe5 Nxe4 5. Nbd2 *

[Apertura "Philidor: Nimzovich, Rellstab variatio"]
[ECO "C41"]

{ Philidor: Nimzovich, Rellstab variation } 1. e4 e5 2. Nf3 d6 3. d4 Nf6
4. dxe5 Nxe4 5. Qd5 *

[Apertura "Philidor: Nimzovich, Locock variation"]
[ECO "C41"]

{ Philidor: Nimzovich, Locock variation } 1. e4 e5 2. Nf3 d6 3. d4 Nf6
4. Ng5 *

[Apertura "Philidor: Nimzovich, Klein variation"]
[ECO "C41"]

{ Philidor: Nimzovich, Klein variation } 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4.
Bc4 *

[Apertura "Philidor: Hanham variation"]
[ECO "C41"]

{ Philidor: Hanham variation } 1. e4 e5 2. Nf3 d6 3. d4 Nd7 *

[Apertura "Philidor: Hanham, Krause variation"]
[ECO "C41"]

{ Philidor: Hanham, Krause variation } 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4.
Bc4 c6 5. O-O *

[Apertura "Philidor: Hanham, Steiner variation"]
[ECO "C41"]

{ Philidor: Hanham, Steiner variation } 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4.
Bc4 c6 5. O-O Be7 6. dxe5 *

[Apertura "Philidor: Hanham, Kmoch variation"]
[ECO "C41"]

{ Philidor: Hanham, Kmoch variation } 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4
c6 5. Ng5 *

[Apertura "Philidor: Hanham, Berger variation"]
[ECO "C41"]

{ Philidor: Hanham, Berger variation } 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4.
Bc4 c6 5. Ng5 Nh6 6. f4 Be7 7. O-O O-O 8. c3 d5 *

[Apertura "Philidor: Hanham, Schlechter variation"]
[ECO "C41"]

{ Philidor: Hanham, Schlechter variation } 1. e4 e5 2. Nf3 d6 3. d4 Nd7
4. Bc4 c6 5. Nc3 *

[Apertura "Philidor: Hanham, Delmar variation"]
[ECO "C41"]

{ Philidor: Hanham, Delmar variation } 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4.
Bc4 c6 5. c3 *

[Apertura "Petrov's defence"]
[ECO "C42"]

{ Petrov's defence } 1. e4 e5 2. Nf3 Nf6 *

[Apertura "Petrov: French attack"]
[ECO "C42"]

{ Petrov: French attack } 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5.
d3 *

[Apertura "Petrov: Kaufmann attack"]
[ECO "C42"]

{ Petrov: Kaufmann attack } 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4
5. c4 *

[Apertura "Petrov: Nimzovich attack"]
[ECO "C42"]

{ Petrov: Nimzovich attack } 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4
5. Nc3 *

[Apertura "Petrov: Cozio (Lasker) attack"]
[ECO "C42"]

{ Petrov: Cozio (Lasker) attack } 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3
Nxe4 5. Qe2 *

[Apertura "Petrov: classical attack"]
[ECO "C42"]

{ Petrov: classical attack } 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4
5. d4 *

[Apertura "Petrov: classical attack, Chigorin var"]
[ECO "C42"]

{ Petrov: classical attack, Chigorin variation } 1. e4 e5 2. Nf3 Nf6 3.
Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 *

[Apertura "Petrov: classical attack, Berger varia"]
[ECO "C42"]

{ Petrov: classical attack, Berger variation } 1. e4 e5 2. Nf3 Nf6 3. Nxe5
d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5 10. Nbd2
*

[Apertura "Petrov: classical attack, Krause varia"]
[ECO "C42"]

{ Petrov: classical attack, Krause variation } 1. e4 e5 2. Nf3 Nf6 3. Nxe5
d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5 10. c4
*

[Apertura "Petrov: classical attack, Maroczy vari"]
[ECO "C42"]

{ Petrov: classical attack, Maroczy variation } 1. e4 e5 2. Nf3 Nf6 3.
Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5
10. c4 Bh4 *

[Apertura "Petrov: classical attack, Jaenisch var"]
[ECO "C42"]

{ Petrov: classical attack, Jaenisch variation } 1. e4 e5 2. Nf3 Nf6 3.
Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. c4 *

[Apertura "Petrov: classical attack, Mason variat"]
[ECO "C42"]

{ Petrov: classical attack, Mason variation } 1. e4 e5 2. Nf3 Nf6 3. Nxe5
d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O O-O *

[Apertura "Petrov: classical attack, Marshall var"]
[ECO "C42"]

{ Petrov: classical attack, Marshall variation } 1. e4 e5 2. Nf3 Nf6 3.
Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 *

[Apertura "Petrov: classical attack, Tarrasch var"]
[ECO "C42"]

{ Petrov: classical attack, Tarrasch variation } 1. e4 e5 2. Nf3 Nf6 3.
Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 Bg4 *

[Apertura "Petrov: classical attack, Marshall tra"]
[ECO "C42"]

{ Petrov: classical attack, Marshall trap } 1. e4 e5 2. Nf3 Nf6 3. Nxe5
d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 Bg4 9. cxd5 f5 10.
Re1 Bxh2+ *

[Apertura "Petrov: classical attack, close variat"]
[ECO "C42"]

{ Petrov: classical attack, close variation } 1. e4 e5 2. Nf3 Nf6 3. Nxe5
d6 4. Nf3 Nxe4 5. d4 Nf6 *

[Apertura "Petrov: Cochrane gambit"]
[ECO "C42"]

{ Petrov: Cochrane gambit } 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 *

[Apertura "Petrov: Paulsen attack"]
[ECO "C42"]

{ Petrov: Paulsen attack } 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 *

[Apertura "Petrov: Damiano variation"]
[ECO "C42"]

{ Petrov: Damiano variation } 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 *

[Apertura "Petrov three knights game"]
[ECO "C42"]

{ Petrov three knights game } 1. e4 e5 2. Nf3 Nf6 3. Nc3 *

[Apertura "Petrov: Italian variation"]
[ECO "C42"]

{ Petrov: Italian variation } 1. e4 e5 2. Nf3 Nf6 3. Bc4 *

[Apertura "Petrov: modern (Steinitz) attack"]
[ECO "C43"]

{ Petrov: modern (Steinitz) attack } 1. e4 e5 2. Nf3 Nf6 3. d4 *

[Apertura "Petrov: modern attack, main line"]
[ECO "C43"]

{ Petrov: modern attack, main line } 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4.
e5 Ne4 5. Qxd4 *

[Apertura "Petrov: modern attack, Steinitz variat"]
[ECO "C43"]

{ Petrov: modern attack, Steinitz variation } 1. e4 e5 2. Nf3 Nf6 3. d4
exd4 4. e5 Ne4 5. Qe2 *

[Apertura "Petrov: modern attack, Bardeleben vari"]
[ECO "C43"]

{ Petrov: modern attack, Bardeleben variation } 1. e4 e5 2. Nf3 Nf6 3.
d4 exd4 4. e5 Ne4 5. Qe2 Nc5 6. Nxd4 Nc6 *

[Apertura "Petrov: Urusov gambit"]
[ECO "C43"]

{ Petrov: Urusov gambit } 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. Bc4 *

[Apertura "Petrov: modern attack, Symmetrical var"]
[ECO "C43"]

{ Petrov: modern attack, Symmetrical variation } 1. e4 e5 2. Nf3 Nf6 3.
d4 Nxe4 *

[Apertura "Petrov: modern attack, Trifunovic vari"]
[ECO "C43"]

{ Petrov: modern attack, Trifunovic variation } 1. e4 e5 2. Nf3 Nf6 3.
d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 6. O-O O-O 7. c4 Bxe5 *

[Apertura "King's pawn game"]
[ECO "C44"]

{ King's pawn game } 1. e4 e5 2. Nf3 Nc6 *

[Apertura "Irish (Chicago) gambit"]
[ECO "C44"]

{ Irish (Chicago) gambit } 1. e4 e5 2. Nf3 Nc6 3. Nxe5 Nxe5 4. d4 *

[Apertura "Konstantinopolsky opening"]
[ECO "C44"]

{ Konstantinopolsky opening } 1. e4 e5 2. Nf3 Nc6 3. g3 *

[Apertura "Dresden opening"]
[ECO "C44"]

{ Dresden opening } 1. e4 e5 2. Nf3 Nc6 3. c4 *

[Apertura "Inverted Hungarian"]
[ECO "C44"]

{ Inverted Hungarian } 1. e4 e5 2. Nf3 Nc6 3. Be2 *

[Apertura "Inverted Hanham"]
[ECO "C44"]

{ Inverted Hanham } 1. e4 e5 2. Nf3 Nc6 3. Be2 Nf6 4. d3 d5 5. Nbd2 *

[Apertura "Tayler opening"]
[ECO "C44"]

{ Tayler opening } 1. e4 e5 2. Nf3 Nc6 3. Be2 Nf6 4. d4 *

[Apertura "Ponziani opening"]
[ECO "C44"]

{ Ponziani opening } 1. e4 e5 2. Nf3 Nc6 3. c3 *

[Apertura "Ponziani: Caro variation"]
[ECO "C44"]

{ Ponziani: Caro variation } 1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Bd7 *

[Apertura "Ponziani: Leonhardt variation"]
[ECO "C44"]

{ Ponziani: Leonhardt variation } 1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Nf6
*

[Apertura "Ponziani: Steinitz variation"]
[ECO "C44"]

{ Ponziani: Steinitz variation } 1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 f6
*

[Apertura "Ponziani: Jaenisch counter-attack"]
[ECO "C44"]

{ Ponziani: Jaenisch counter-attack } 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 *

[Apertura "Ponziani: Fraser defence"]
[ECO "C44"]

{ Ponziani: Fraser defence } 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 Nxe4 5.
d5 Bc5 *

[Apertura "Ponziani: Reti variation"]
[ECO "C44"]

{ Ponziani: Reti variation } 1. e4 e5 2. Nf3 Nc6 3. c3 Nge7 *

[Apertura "Ponziani: Romanishin variation"]
[ECO "C44"]

{ Ponziani: Romanishin variation } 1. e4 e5 2. Nf3 Nc6 3. c3 Be7 *

[Apertura "Ponziani counter-gambit"]
[ECO "C44"]

{ Ponziani counter-gambit } 1. e4 e5 2. Nf3 Nc6 3. c3 f5 *

[Apertura "Ponziani counter-gambit, Schmidt attac"]
[ECO "C44"]

{ Ponziani counter-gambit, Schmidt attack } 1. e4 e5 2. Nf3 Nc6 3. c3 f5
4. d4 d6 5. d5 *

[Apertura "Ponziani counter-gambit, Cordel variat"]
[ECO "C44"]

{ Ponziani counter-gambit, Cordel variation } 1. e4 e5 2. Nf3 Nc6 3. c3
f5 4. d4 d6 5. d5 fxe4 6. Ng5 Nb8 7. Nxe4 Nf6 8. Bd3 Be7 *

[Apertura "Scotch opening"]
[ECO "C44"]

{ Scotch opening } 1. e4 e5 2. Nf3 Nc6 3. d4 *

[Apertura "Scotch: Lolli variation"]
[ECO "C44"]

{ Scotch: Lolli variation } 1. e4 e5 2. Nf3 Nc6 3. d4 Nxd4 *

[Apertura "Scotch: Cochrane variation"]
[ECO "C44"]

{ Scotch: Cochrane variation } 1. e4 e5 2. Nf3 Nc6 3. d4 Nxd4 4. Nxe5 Ne6
5. Bc4 c6 6. O-O Nf6 7. Nxf7 *

[Apertura "Scotch: Relfsson gambit ('MacLopez')"]
[ECO "C44"]

{ Scotch: Relfsson gambit ('MacLopez') } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4
4. Bb5 *

[Apertura "Scotch: Goering gambit"]
[ECO "C44"]

{ Scotch: Goering gambit } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 *

[Apertura "Scotch: Sea-cadet mate"]
[ECO "C44"]

{ Scotch: Sea-cadet mate } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5.
Nxc3 d6 6. Bc4 Bg4 7. O-O Ne5 8. Nxe5 Bxd1 9. Bxf7+ Ke7 10. Nd5# *

[Apertura "Scotch: Goering gambit"]
[ECO "C44"]

{ Scotch: Goering gambit } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5.
Nxc3 Bb4 *

[Apertura "Scotch: Goering gambit, Bardeleben var"]
[ECO "C44"]

{ Scotch: Goering gambit, Bardeleben variation } 1. e4 e5 2. Nf3 Nc6 3.
d4 exd4 4. c3 dxc3 5. Nxc3 Bb4 6. Bc4 Nf6 *

[Apertura "Scotch gambit"]
[ECO "C44"]

{ Scotch gambit } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 *

[Apertura "Scotch gambit: Anderssen (Paulsen, Suh"]
[ECO "C44"]

{ Scotch gambit: Anderssen (Paulsen, Suhle) counter-attack } 1. e4 e5 2.
Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. O-O d6 6. c3 Bg4 *

[Apertura "Scotch gambit"]
[ECO "C44"]

{ Scotch gambit } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 *

[Apertura "Scotch gambit: Cochrane-Shumov defence"]
[ECO "C44"]

{ Scotch gambit: Cochrane-Shumov defence } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4
4. Bc4 Bc5 5. Ng5 Nh6 6. Nxf7 Nxf7 7. Bxf7+ Kxf7 8. Qh5+ g6 9. Qxc5 d5
*

[Apertura "Scotch gambit: Vitzhum attack"]
[ECO "C44"]

{ Scotch gambit: Vitzhum attack } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4
Bc5 5. Ng5 Nh6 6. Qh5 *

[Apertura "Scotch gambit"]
[ECO "C44"]

{ Scotch gambit } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ *

[Apertura "Scotch gambit: Hanneken variation"]
[ECO "C44"]

{ Scotch gambit: Hanneken variation } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4.
Bc4 Bb4+ 5. c3 dxc3 6. O-O cxb2 7. Bxb2 Nf6 8. Ng5 O-O 9. e5 Nxe5 *

[Apertura "Scotch gambit"]
[ECO "C44"]

{ Scotch gambit } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3
6. bxc3 *

[Apertura "Scotch gambit: Cochrane variation"]
[ECO "C44"]

{ Scotch gambit: Cochrane variation } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4.
Bc4 Bb4+ 5. c3 dxc3 6. bxc3 Ba5 7. e5 *

[Apertura "Scotch gambit: Benima defence"]
[ECO "C44"]

{ Scotch gambit: Benima defence } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4
Be7 *

[Apertura "Scotch gambit: Dubois-Reti defence"]
[ECO "C44"]

{ Scotch gambit: Dubois-Reti defence } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4.
Bc4 Nf6 *

[Apertura "Scotch game"]
[ECO "C45"]

{ Scotch game } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 *

[Apertura "Scotch: Ghulam Kassim variation"]
[ECO "C45"]

{ Scotch: Ghulam Kassim variation } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4
Nxd4 5. Qxd4 d6 6. Bd3 *

[Apertura "Scotch: Pulling counter-attack"]
[ECO "C45"]

{ Scotch: Pulling counter-attack } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4
Qh4 *

[Apertura "Scotch: Horwitz attack"]
[ECO "C45"]

{ Scotch: Horwitz attack } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5.
Nb5 *

[Apertura "Scotch: Berger variation"]
[ECO "C45"]

{ Scotch: Berger variation } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4
5. Nb5 Bb4+ 6. Nd2 Qxe4+ 7. Be2 Qxg2 8. Bf3 Qh3 9. Nxc7+ Kd8 10. Nxa8 Nf6
11. a3 *

[Apertura "Scotch game"]
[ECO "C45"]

{ Scotch game } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nb5 Bb4+
6. Bd2 *

[Apertura "Scotch: Rosenthal variation"]
[ECO "C45"]

{ Scotch: Rosenthal variation } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4
Qh4 5. Nb5 Bb4+ 6. Bd2 Qxe4+ 7. Be2 Kd8 8. O-O Bxd2 9. Nxd2 Qg6 *

[Apertura "Scotch: Fraser attack"]
[ECO "C45"]

{ Scotch: Fraser attack } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5.
Nf3 *

[Apertura "Scotch: Steinitz variation"]
[ECO "C45"]

{ Scotch: Steinitz variation } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4
5. Nc3 *

[Apertura "Scotch: Schmidt variation"]
[ECO "C45"]

{ Scotch: Schmidt variation } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6
*

[Apertura "Scotch: Mieses variation"]
[ECO "C45"]

{ Scotch: Mieses variation } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6
5. Nxc6 bxc6 6. e5 *

[Apertura "Scotch: Tartakower variation"]
[ECO "C45"]

{ Scotch: Tartakower variation } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4
Nf6 5. Nxc6 bxc6 6. Nd2 *

[Apertura "Scotch game"]
[ECO "C45"]

{ Scotch game } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 *

[Apertura "Scotch: Blackburne attack"]
[ECO "C45"]

{ Scotch: Blackburne attack } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5
5. Be3 Qf6 6. c3 Nge7 7. Qd2 *

[Apertura "Scotch: Gottschall variation"]
[ECO "C45"]

{ Scotch: Gottschall variation } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4
Bc5 5. Be3 Qf6 6. c3 Nge7 7. Qd2 d5 8. Nb5 Bxe3 9. Qxe3 O-O 10. Nxc7 Rb8
11. Nxd5 Nxd5 12. exd5 Nb4 *

[Apertura "Scotch: Paulsen attack"]
[ECO "C45"]

{ Scotch: Paulsen attack } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5.
Be3 Qf6 6. c3 Nge7 7. Bb5 *

[Apertura "Scotch: Paulsen, Gunsberg defence"]
[ECO "C45"]

{ Scotch: Paulsen, Gunsberg defence } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4.
Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bb5 Nd8 *

[Apertura "Scotch: Meitner variation"]
[ECO "C45"]

{ Scotch: Meitner variation } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5
5. Be3 Qf6 6. c3 Nge7 7. Nc2 *

[Apertura "Scotch: Blumenfeld attack"]
[ECO "C45"]

{ Scotch: Blumenfeld attack } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5
5. Be3 Qf6 6. Nb5 *

[Apertura "Scotch: Potter variation"]
[ECO "C45"]

{ Scotch: Potter variation } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5
5. Nb3 *

[Apertura "Scotch: Romanishin variation"]
[ECO "C45"]

{ Scotch: Romanishin variation } 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4
Bc5 5. Nb3 Bb4+ *

[Apertura "Three knights game"]
[ECO "C46"]

{ Three knights game } 1. e4 e5 2. Nf3 Nc6 3. Nc3 *

[Apertura "Three knights: Schlechter variation"]
[ECO "C46"]

{ Three knights: Schlechter variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bb4
4. Nd5 Nf6 *

[Apertura "Three knights: Winawer defence (Gothic"]
[ECO "C46"]

{ Three knights: Winawer defence (Gothic defence) } 1. e4 e5 2. Nf3 Nc6
3. Nc3 f5 *

[Apertura "Three knights: Steinitz variation"]
[ECO "C46"]

{ Three knights: Steinitz variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 *

[Apertura "Three knights: Steinitz, Rosenthal var"]
[ECO "C46"]

{ Three knights: Steinitz, Rosenthal variation } 1. e4 e5 2. Nf3 Nc6 3.
Nc3 g6 4. d4 exd4 5. Nd5 *

[Apertura "Four knights game"]
[ECO "C46"]

{ Four knights game } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 *

[Apertura "Four knights: Schultze-Mueller gambit"]
[ECO "C46"]

{ Four knights: Schultze-Mueller gambit } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6
4. Nxe5 *

[Apertura "Four knights: Italian variation"]
[ECO "C46"]

{ Four knights: Italian variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4
*

[Apertura "Four knights: Gunsberg variation"]
[ECO "C46"]

{ Four knights: Gunsberg variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4.
a3 *

[Apertura "Four knights: Scotch variation"]
[ECO "C47"]

{ Four knights: Scotch variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4
*

[Apertura "Four knights: Scotch, Krause variation"]
[ECO "C47"]

{ Four knights: Scotch, Krause variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6
4. d4 Bb4 5. Nxe5 *

[Apertura "Four knights: Scotch, 4...exd4"]
[ECO "C47"]

{ Four knights: Scotch, 4...exd4 } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4
exd4 *

[Apertura "Four knights: Belgrade gambit"]
[ECO "C47"]

{ Four knights: Belgrade gambit } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4
exd4 5. Nd5 *

[Apertura "Four knights: Spanish variation"]
[ECO "C48"]

{ Four knights: Spanish variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5
*

[Apertura "Four knights: Ranken variation"]
[ECO "C48"]

{ Four knights: Ranken variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5
a6 5. Bxc6 *

[Apertura "Four knights: Spielmann variation"]
[ECO "C48"]

{ Four knights: Spielmann variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4.
Bb5 a6 5. Bxc6 dxc6 6. Nxe5 Nxe4 7. Nxe4 Qd4 8. O-O Qxe5 9. Re1 Be6 10.
d4 Qd5 *

[Apertura "Four knights: Spanish, classical defen"]
[ECO "C48"]

{ Four knights: Spanish, classical defence } 1. e4 e5 2. Nf3 Nc6 3. Nc3
Nf6 4. Bb5 Bc5 *

[Apertura "Four knights: Bardeleben variation"]
[ECO "C48"]

{ Four knights: Bardeleben variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4.
Bb5 Bc5 5. O-O O-O 6. Nxe5 Nxe5 7. d4 Bd6 8. f4 Nc6 9. e5 Bb4 *

[Apertura "Four knights: Marshall variation"]
[ECO "C48"]

{ Four knights: Marshall variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4.
Bb5 Bc5 5. O-O O-O 6. Nxe5 Nd4 *

[Apertura "Four knights: Rubinstein counter-gambi"]
[ECO "C48"]

{ Four knights: Rubinstein counter-gambit } 1. e4 e5 2. Nf3 Nc6 3. Nc3
Nf6 4. Bb5 Nd4 *

[Apertura "Four knights: Rubinstein counter-gambi"]
[ECO "C48"]

{ Four knights: Rubinstein counter-gambit, Bogolyubov variation } 1. e4
e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxe5 Qe7 6. f4 *

[Apertura "Four knights: Rubinstein counter-gambi"]
[ECO "C48"]

{ Four knights: Rubinstein counter-gambit, 5.Be2 } 1. e4 e5 2. Nf3 Nc6
3. Nc3 Nf6 4. Bb5 Nd4 5. Be2 *

[Apertura "Four knights: Rubinstein counter-gambi"]
[ECO "C48"]

{ Four knights: Rubinstein counter-gambit Maroczy variation } 1. e4 e5
2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Be2 Nxf3+ 6. Bxf3 Bc5 7. O-O O-O 8.
d3 d6 9. Na4 Bb6 *

[Apertura "Four knights: Rubinstein counter-gambi"]
[ECO "C48"]

{ Four knights: Rubinstein counter-gambit, exchange variation } 1. e4 e5
2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxd4 *

[Apertura "Four knights: Rubinstein counter-gambi"]
[ECO "C48"]

{ Four knights: Rubinstein counter-gambit, Henneberger variation } 1. e4
e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. O-O *

[Apertura "Four knights: double Ruy Lopez"]
[ECO "C49"]

{ Four knights: double Ruy Lopez } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5
Bb4 *

[Apertura "Four knights: Gunsberg counter-attack"]
[ECO "C49"]

{ Four knights: Gunsberg counter-attack } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6
4. Bb5 Bb4 5. O-O O-O 6. Nd5 Nxd5 7. exd5 e4 *

[Apertura "Four knights: double Ruy Lopez"]
[ECO "C49"]

{ Four knights: double Ruy Lopez } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5
Bb4 5. O-O O-O 6. d3 *

[Apertura "Four knights: Alatortsev variation"]
[ECO "C49"]

{ Four knights: Alatortsev variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4.
Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Ne2 d5 *

[Apertura "Four knights"]
[ECO "C49"]

{ Four knights } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6.
d3 Bxc3 *

[Apertura "Four knights: Janowski variation"]
[ECO "C49"]

{ Four knights: Janowski variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4.
Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Re1 *

[Apertura "Four knights: Svenonius variation"]
[ECO "C49"]

{ Four knights: Svenonius variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4.
Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d5 *

[Apertura "Four knights: symmetrical variation"]
[ECO "C49"]

{ Four knights: symmetrical variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6
4. Bb5 Bb4 5. O-O O-O 6. d3 d6 *

[Apertura "Four knights: symmetrical, Metger unpi"]
[ECO "C49"]

{ Four knights: symmetrical, Metger unpin } 1. e4 e5 2. Nf3 Nc6 3. Nc3
Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Qe7 *

[Apertura "Four knights: symmetrical, Capablanca "]
[ECO "C49"]

{ Four knights: symmetrical, Capablanca variation } 1. e4 e5 2. Nf3 Nc6
3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Qe7 9. Re1
Nd8 10. d4 Bg4 *

[Apertura "Four knights: symmetrical, Pillsbury v"]
[ECO "C49"]

{ Four knights: symmetrical, Pillsbury variation } 1. e4 e5 2. Nf3 Nc6
3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Ne7 *

[Apertura "Four knights: symmetrical, Blake varia"]
[ECO "C49"]

{ Four knights: symmetrical, Blake variation } 1. e4 e5 2. Nf3 Nc6 3. Nc3
Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Ne7 8. Nh4 c6 9. Bc4 d5 10. Bb3
Qd6 *

[Apertura "Four knights: symmetrical, Tarrasch va"]
[ECO "C49"]

{ Four knights: symmetrical, Tarrasch variation } 1. e4 e5 2. Nf3 Nc6 3.
Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Be6 *

[Apertura "Four knights: symmetrical, Maroczy sys"]
[ECO "C49"]

{ Four knights: symmetrical, Maroczy system } 1. e4 e5 2. Nf3 Nc6 3. Nc3
Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 *

[Apertura "Four knights: Nimzovich (Paulsen) vari"]
[ECO "C49"]

{ Four knights: Nimzovich (Paulsen) variation } 1. e4 e5 2. Nf3 Nc6 3.
Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. Bxc6 *

[Apertura "King's pawn game"]
[ECO "C50"]

{ King's pawn game } 1. e4 e5 2. Nf3 Nc6 3. Bc4 *

[Apertura "Blackburne shilling gambit"]
[ECO "C50"]

{ Blackburne shilling gambit } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nd4 4. Nxe5 Qg5
5. Nxf7 Qxg2 6. Rf1 Qxe4+ 7. Be2 Nf3# *

[Apertura "Rousseau gambit"]
[ECO "C50"]

{ Rousseau gambit } 1. e4 e5 2. Nf3 Nc6 3. Bc4 f5 *

[Apertura "Hungarian defence"]
[ECO "C50"]

{ Hungarian defence } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 *

[Apertura "Hungarian defence: Tartakower variatio"]
[ECO "C50"]

{ Hungarian defence: Tartakower variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Be7 4. d4 exd4 5. c3 Nf6 6. e5 Ne4 *

[Apertura "Giuoco Piano"]
[ECO "C50"]

{ Giuoco Piano } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 *

[Apertura "Giuoco Piano: four knights variation"]
[ECO "C50"]

{ Giuoco Piano: four knights variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
4. Nc3 Nf6 *

[Apertura "Giuoco Piano: Jerome gambit"]
[ECO "C50"]

{ Giuoco Piano: Jerome gambit } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Bxf7+
*

[Apertura "Giuoco Pianissimo"]
[ECO "C50"]

{ Giuoco Pianissimo } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 *

[Apertura "Giuoco Pianissimo: Dubois variation"]
[ECO "C50"]

{ Giuoco Pianissimo: Dubois variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
4. d3 f5 5. Ng5 f4 *

[Apertura "Giuoco Pianissimo"]
[ECO "C50"]

{ Giuoco Pianissimo } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 *

[Apertura "Giuoco Pianissimo: Italian four knight"]
[ECO "C50"]

{ Giuoco Pianissimo: Italian four knights variation } 1. e4 e5 2. Nf3 Nc6
3. Bc4 Bc5 4. d3 Nf6 5. Nc3 *

[Apertura "Giuoco Pianissimo: Canal variation"]
[ECO "C50"]

{ Giuoco Pianissimo: Canal variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4.
d3 Nf6 5. Nc3 d6 6. Bg5 *

[Apertura "Evans gambit declined"]
[ECO "C51"]

{ Evans gambit declined } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 *

[Apertura "Evans gambit declined, Lange variation"]
[ECO "C51"]

{ Evans gambit declined, Lange variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
4. b4 Bb6 5. b5 Na5 6. Nxe5 Nh6 *

[Apertura "Evans gambit declined, Pavlov variatio"]
[ECO "C51"]

{ Evans gambit declined, Pavlov variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Nh6 7. d4 d6 8. Bxh6 dxe5 9. Bxg7 Rg8 10.
Bxf7+ Kxf7 11. Bxe5 Qg5 12. Nd2 *

[Apertura "Evans gambit declined, Hirschbach vari"]
[ECO "C51"]

{ Evans gambit declined, Hirschbach variation } 1. e4 e5 2. Nf3 Nc6 3.
Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Qg5 *

[Apertura "Evans gambit declined, Vasquez variati"]
[ECO "C51"]

{ Evans gambit declined, Vasquez variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Qg5 7. Bxf7+ Ke7 8. Qh5 *

[Apertura "Evans gambit declined, Hicken variatio"]
[ECO "C51"]

{ Evans gambit declined, Hicken variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Qg5 7. Qf3 Qxe5 8. Qxf7+ Kd8 9. Bb2 *

[Apertura "Evans gambit declined, 5.a4"]
[ECO "C51"]

{ Evans gambit declined, 5.a4 } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6
5. a4 *

[Apertura "Evans gambit declined, Showalter varia"]
[ECO "C51"]

{ Evans gambit declined, Showalter variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Bc5 4. b4 Bb6 5. a4 a6 6. Nc3 *

[Apertura "Evans gambit declined, Cordel variatio"]
[ECO "C51"]

{ Evans gambit declined, Cordel variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Bc5 4. b4 Bb6 5. Bb2 *

[Apertura "Evans counter-gambit"]
[ECO "C51"]

{ Evans counter-gambit } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 d5 *

[Apertura "Evans gambit"]
[ECO "C51"]

{ Evans gambit } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 *

[Apertura "Evans gambit: normal variation"]
[ECO "C51"]

{ Evans gambit: normal variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4
Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 *

[Apertura "Evans gambit: Ulvestad variation"]
[ECO "C51"]

{ Evans gambit: Ulvestad variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4.
b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. d5 Na5 10. Bb2 *

[Apertura "Evans gambit: Paulsen variation"]
[ECO "C51"]

{ Evans gambit: Paulsen variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4
Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. d5 Na5 10. Bb2 Ne7 *

[Apertura "Evans gambit: Morphy attack"]
[ECO "C51"]

{ Evans gambit: Morphy attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4
5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 *

[Apertura "Evans gambit: Goering attack"]
[ECO "C51"]

{ Evans gambit: Goering attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4
5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Na5 10. Bg5 *

[Apertura "Evans gambit: Steinitz variation"]
[ECO "C51"]

{ Evans gambit: Steinitz variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4.
b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Na5 10. Bg5 f6
11. Be3 *

[Apertura "Evans gambit"]
[ECO "C51"]

{ Evans gambit } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6.
d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Bg4 *

[Apertura "Evans gambit: Fraser attack"]
[ECO "C51"]

{ Evans gambit: Fraser attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4
5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Bg4 10. Qa4 *

[Apertura "Evans gambit: Fraser-Mortimer attack"]
[ECO "C51"]

{ Evans gambit: Fraser-Mortimer attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Bg4 10. Qa4
Bd7 11. Qb3 Na5 12. Bxf7+ Kf8 13. Qc2 *

[Apertura "Evans gambit: Stone-Ware variation"]
[ECO "C51"]

{ Evans gambit: Stone-Ware variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4.
b4 Bxb4 5. c3 Bd6 *

[Apertura "Evans gambit: Mayet defence"]
[ECO "C51"]

{ Evans gambit: Mayet defence } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4
5. c3 Bf8 *

[Apertura "Evans gambit: 5...Be7"]
[ECO "C51"]

{ Evans gambit: 5...Be7 } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5.
c3 Be7 *

[Apertura "Evans gambit: Cordel variation"]
[ECO "C51"]

{ Evans gambit: Cordel variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4
Bxb4 5. c3 Be7 6. d4 Na5 *

[Apertura "Evans gambit"]
[ECO "C52"]

{ Evans gambit } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 *

[Apertura "Evans gambit: compromised defence"]
[ECO "C52"]

{ Evans gambit: compromised defence } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4.
b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3 *

[Apertura "Evans gambit: compromised defence, Pau"]
[ECO "C52"]

{ Evans gambit: compromised defence, Paulsen variation } 1. e4 e5 2. Nf3
Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3 8. Qb3 Qf6 9.
e5 Qg6 10. Nxc3 Nge7 11. Ba3 *

[Apertura "Evans gambit: compromised defence, Pot"]
[ECO "C52"]

{ Evans gambit: compromised defence, Potter variation } 1. e4 e5 2. Nf3
Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3 8. Qb3 Qf6 9.
e5 Qg6 10. Nxc3 Nge7 11. Rd1 *

[Apertura "Evans gambit: Leonhardt variation"]
[ECO "C52"]

{ Evans gambit: Leonhardt variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4.
b4 Bxb4 5. c3 Ba5 6. d4 b5 *

[Apertura "Evans gambit"]
[ECO "C52"]

{ Evans gambit } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6.
d4 d6 *

[Apertura "Evans gambit: Tartakower attack"]
[ECO "C52"]

{ Evans gambit: Tartakower attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4
Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 *

[Apertura "Evans gambit: Levenfish variation"]
[ECO "C52"]

{ Evans gambit: Levenfish variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4.
b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 dxe5 9. O-O Bb6 10. Ba3 Na5
11. Nxe5 *

[Apertura "Evans gambit: Sokolsky variation"]
[ECO "C52"]

{ Evans gambit: Sokolsky variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4.
b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Bg5 *

[Apertura "Evans gambit"]
[ECO "C52"]

{ Evans gambit } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6.
O-O *

[Apertura "Evans gambit: Richardson attack"]
[ECO "C52"]

{ Evans gambit: Richardson attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4
Bxb4 5. c3 Ba5 6. O-O Nf6 7. d4 O-O 8. Nxe5 *

[Apertura "Evans gambit"]
[ECO "C52"]

{ Evans gambit } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6.
O-O d6 *

[Apertura "Evans gambit: Waller attack"]
[ECO "C52"]

{ Evans gambit: Waller attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4
5. c3 Ba5 6. O-O d6 7. d4 exd4 8. Qb3 *

[Apertura "Evans gambit: Lasker defence"]
[ECO "C52"]

{ Evans gambit: Lasker defence } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4
5. c3 Ba5 6. O-O d6 7. d4 Bb6 *

[Apertura "Evans gambit: Sanders-Alapin variation"]
[ECO "C52"]

{ Evans gambit: Sanders-Alapin variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 Bd7 *

[Apertura "Evans gambit: Alapin-Steinitz variatio"]
[ECO "C52"]

{ Evans gambit: Alapin-Steinitz variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 Bg4 *

[Apertura "Giuoco Piano"]
[ECO "C53"]

{ Giuoco Piano } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 *

[Apertura "Giuoco Piano: LaBourdonnais variation"]
[ECO "C53"]

{ Giuoco Piano: LaBourdonnais variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
4. c3 d6 5. d4 exd4 6. cxd4 Bb6 *

[Apertura "Giuoco Piano: close variation"]
[ECO "C53"]

{ Giuoco Piano: close variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3
Qe7 *

[Apertura "Giuoco Piano: centre-holding variation"]
[ECO "C53"]

{ Giuoco Piano: centre-holding variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
4. c3 Qe7 5. d4 Bb6 *

[Apertura "Giuoco Piano: Tarrasch variation"]
[ECO "C53"]

{ Giuoco Piano: Tarrasch variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4.
c3 Qe7 5. d4 Bb6 6. O-O Nf6 7. a4 a6 8. Re1 d6 9. h3 *

[Apertura "Giuoco Piano: Mestel variation"]
[ECO "C53"]

{ Giuoco Piano: Mestel variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3
Qe7 5. d4 Bb6 6. Bg5 *

[Apertura "Giuoco Piano: Eisinger variation"]
[ECO "C53"]

{ Giuoco Piano: Eisinger variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4.
c3 Qe7 5. d4 Bb6 6. d5 Nb8 7. d6 *

[Apertura "Giuoco Piano"]
[ECO "C53"]

{ Giuoco Piano } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 *

[Apertura "Giuoco Piano: Bird's attack"]
[ECO "C53"]

{ Giuoco Piano: Bird's attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6
5. b4 *

[Apertura "Giuoco Piano"]
[ECO "C53"]

{ Giuoco Piano } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 *

[Apertura "Giuoco Piano: Ghulam Kassim variation"]
[ECO "C53"]

{ Giuoco Piano: Ghulam Kassim variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
4. c3 Nf6 5. d4 exd4 6. e5 Ne4 7. Bd5 Nxf2 8. Kxf2 dxc3+ 9. Kg3 *

[Apertura "Giuoco Piano"]
[ECO "C53"]

{ Giuoco Piano } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6.
e5 d5 *

[Apertura "Giuoco Piano: Anderssen variation"]
[ECO "C53"]

{ Giuoco Piano: Anderssen variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4.
c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+ *

[Apertura "Giuoco Piano"]
[ECO "C54"]

{ Giuoco Piano } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6.
cxd4 *

[Apertura "Giuoco Piano: Krause variation"]
[ECO "C54"]

{ Giuoco Piano: Krause variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3
Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kxf7 10.
Qb3+ d5 11. Ne5+ Kf6 12. f3 *

[Apertura "Giuoco Piano: Cracow variation"]
[ECO "C54"]

{ Giuoco Piano: Cracow variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3
Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Kf1 *

[Apertura "Giuoco Piano: Greco's attack"]
[ECO "C54"]

{ Giuoco Piano: Greco's attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6
5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 *

[Apertura "Giuoco Piano: Greco variation"]
[ECO "C54"]

{ Giuoco Piano: Greco variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3
Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Nxc3 *

[Apertura "Giuoco Piano: Bernstein variation"]
[ECO "C54"]

{ Giuoco Piano: Bernstein variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4.
c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Nxc3 9. bxc3 Bxc3 10.
Qb3 d5 *

[Apertura "Giuoco Piano: Aitken variation"]
[ECO "C54"]

{ Giuoco Piano: Aitken variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3
Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Nxc3 9. bxc3 Bxc3 10. Ba3
*

[Apertura "Giuoco Piano"]
[ECO "C54"]

{ Giuoco Piano } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6.
cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 *

[Apertura "Giuoco Piano: Steinitz variation"]
[ECO "C54"]

{ Giuoco Piano: Steinitz variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4.
c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. bxc3 d5 10. Ba3
*

[Apertura "Giuoco Piano: Moeller (Therkatz) attac"]
[ECO "C54"]

{ Giuoco Piano: Moeller (Therkatz) attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. d5 *

[Apertura "Giuoco Piano: Therkatz-Herzog variatio"]
[ECO "C54"]

{ Giuoco Piano: Therkatz-Herzog variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. d5 Bf6
10. Re1 Ne7 11. Rxe4 d6 12. Bg5 Bxg5 13. Nxg5 O-O 14. Nxh7 *

[Apertura "Giuoco Piano: Moeller, bayonet attack"]
[ECO "C54"]

{ Giuoco Piano: Moeller, bayonet attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. d5 Bf6 10.
Re1 Ne7 11. Rxe4 d6 12. g4 *

[Apertura "Two knights defence"]
[ECO "C55"]

{ Two knights defence } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 *

[Apertura "Giuoco piano: Rosentreter variation"]
[ECO "C55"]

{ Giuoco piano: Rosentreter variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
4. O-O Bc5 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 h6 8. Bh4 g5 9. f4 *

[Apertura "Giuoco piano"]
[ECO "C55"]

{ Giuoco piano } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. d4 Bxd4 6.
Nxd4 Nxd4 7. Bg5 d6 *

[Apertura "Giuoco piano: Holzhausen attack"]
[ECO "C55"]

{ Giuoco piano: Holzhausen attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O
Bc5 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 d6 8. f4 Qe7 9. fxe5 dxe5 10. Nc3 *

[Apertura "Two knights defence (Modern bishop's o"]
[ECO "C55"]

{ Two knights defence (Modern bishop's opening) } 1. e4 e5 2. Nf3 Nc6 3.
Bc4 Nf6 4. d3 *

[Apertura "Two knights defence"]
[ECO "C55"]

{ Two knights defence } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 *

[Apertura "Two knights defence, Keidanz variation"]
[ECO "C55"]

{ Two knights defence, Keidanz variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
4. d4 exd4 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bc5 8. Nxc6 Bxf2+ 9. Kf1 Qh4 *

[Apertura "Two knights defence, Perreux variation"]
[ECO "C55"]

{ Two knights defence, Perreux variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
4. d4 exd4 5. Ng5 *

[Apertura "Two knights defence"]
[ECO "C55"]

{ Two knights defence } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O
*

[Apertura "two knights: Max Lange attack"]
[ECO "C55"]

{ two knights: Max Lange attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4
exd4 5. O-O Bc5 6. e5 *

[Apertura "two knights: Max Lange attack, Berger "]
[ECO "C55"]

{ two knights: Max Lange attack, Berger variation } 1. e4 e5 2. Nf3 Nc6
3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5
Qd5 10. Nc3 Qf5 11. g4 Qg6 12. Nce4 Bb6 13. f4 O-O-O *

[Apertura "two knights: Max Lange attack, Marshal"]
[ECO "C55"]

{ two knights: Max Lange attack, Marshall variation } 1. e4 e5 2. Nf3 Nc6
3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5
Qd5 10. Nc3 Qf5 11. Nce4 *

[Apertura "two knights: Max Lange attack, Rubinst"]
[ECO "C55"]

{ two knights: Max Lange attack, Rubinstein variation } 1. e4 e5 2. Nf3
Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6
9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4 Bf8 *

[Apertura "two knights: Max Lange attack, Loman d"]
[ECO "C55"]

{ two knights: Max Lange attack, Loman defence } 1. e4 e5 2. Nf3 Nc6 3.
Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5
g6 *

[Apertura "two knights: Max Lange attack, Schlech"]
[ECO "C55"]

{ two knights: Max Lange attack, Schlechter variation } 1. e4 e5 2. Nf3
Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6
9. fxg7 *

[Apertura "two knights: Max Lange attack, Steinit"]
[ECO "C55"]

{ two knights: Max Lange attack, Steinitz variation } 1. e4 e5 2. Nf3 Nc6
3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 Ng4 *

[Apertura "two knights: Max Lange attack, Krause "]
[ECO "C55"]

{ two knights: Max Lange attack, Krause variation } 1. e4 e5 2. Nf3 Nc6
3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 Ng4 7. c3 *

[Apertura "Two knights defence"]
[ECO "C56"]

{ Two knights defence } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O
Nxe4 *

[Apertura "two knights defence: Yurdansky attack"]
[ECO "C56"]

{ two knights defence: Yurdansky attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
4. d4 exd4 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10.
Bg5 h6 11. Bh4 g5 12. Nf6+ Ke7 13. b4 *

[Apertura "two knights defence: Canal variation"]
[ECO "C56"]

{ two knights defence: Canal variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
4. d4 exd4 5. O-O Nxe4 6. Re1 d5 7. Nc3 *

[Apertura "Two knights defence"]
[ECO "C57"]

{ Two knights defence } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 *

[Apertura "two knights defence: Wilkes Barre (Tra"]
[ECO "C57"]

{ two knights defence: Wilkes Barre (Traxler) variation } 1. e4 e5 2. Nf3
Nc6 3. Bc4 Nf6 4. Ng5 Bc5 *

[Apertura "two knights defence: Ulvestad variatio"]
[ECO "C57"]

{ two knights defence: Ulvestad variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Nf6 4. Ng5 d5 5. exd5 b5 *

[Apertura "two knights defence: Fritz variation"]
[ECO "C57"]

{ two knights defence: Fritz variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
4. Ng5 d5 5. exd5 Nd4 *

[Apertura "two knights defence: Fritz, Gruber var"]
[ECO "C57"]

{ two knights defence: Fritz, Gruber variation } 1. e4 e5 2. Nf3 Nc6 3.
Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. c3 b5 7. Bf1 Nxd5 8. Ne4 *

[Apertura "two knights defence: Lolli attack"]
[ECO "C57"]

{ two knights defence: Lolli attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4.
Ng5 d5 5. exd5 Nxd5 6. d4 *

[Apertura "two knights defence: Pincus variation"]
[ECO "C57"]

{ two knights defence: Pincus variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
4. Ng5 d5 5. exd5 Nxd5 6. d4 Bb4+ *

[Apertura "two knights defence: Fegatello attack"]
[ECO "C57"]

{ two knights defence: Fegatello attack } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 *

[Apertura "two knights defence: Fegatello attack,"]
[ECO "C57"]

{ two knights defence: Fegatello attack, Leonhardt variation } 1. e4 e5
2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8.
Nc3 Ncb4 9. Qe4 c6 10. a3 Na6 11. d4 Nac7 *

[Apertura "two knights defence: Fegatello attack,"]
[ECO "C57"]

{ two knights defence: Fegatello attack, Polerio defence } 1. e4 e5 2.
Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3
Nce7 *

[Apertura "two knights defence"]
[ECO "C58"]

{ two knights defence } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5
Na5 *

[Apertura "two knights defence: Kieseritsky varia"]
[ECO "C58"]

{ two knights defence: Kieseritsky variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 *

[Apertura "two knights defence: Yankovich variati"]
[ECO "C58"]

{ two knights defence: Yankovich variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 e4 8. Qe2 Nxc4 9. dxc4 Bc5 10.
Nfd2 *

[Apertura "two knights defence: Maroczy variation"]
[ECO "C58"]

{ two knights defence: Maroczy variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 e4 8. Qe2 Nxc4 9. dxc4 Be7 *

[Apertura "Two knights defence"]
[ECO "C58"]

{ Two knights defence } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5
Na5 6. Bb5+ *

[Apertura "two knights defence: Bogolyubov variat"]
[ECO "C58"]

{ two knights defence: Bogolyubov variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 *

[Apertura "two knights defence: Paoli variation"]
[ECO "C58"]

{ two knights defence: Paoli variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Qc7 9. Bd3 *

[Apertura "two knights defence: Colman variation"]
[ECO "C58"]

{ two knights defence: Colman variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Rb8 *

[Apertura "two knights defence: Blackburne variat"]
[ECO "C58"]

{ two knights defence: Blackburne variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 cxb5 *

[Apertura "Two knights defence"]
[ECO "C58"]

{ Two knights defence } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5
Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 *

[Apertura "Two knights defence"]
[ECO "C59"]

{ Two knights defence } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5
Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 *

[Apertura "two knights defence: Knorre variation"]
[ECO "C59"]

{ two knights defence: Knorre variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5
Bd6 11. d4 Qc7 12. Bd2 *

[Apertura "two knights defence: Goering variation"]
[ECO "C59"]

{ two knights defence: Goering variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5
Qc7 *

[Apertura "two knights defence: Steinitz variatio"]
[ECO "C59"]

{ two knights defence: Steinitz variation } 1. e4 e5 2. Nf3 Nc6 3. Bc4
Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nh3 *

[Apertura "Ruy Lopez (Spanish opening)"]
[ECO "C60"]

{ Ruy Lopez (Spanish opening) } 1. e4 e5 2. Nf3 Nc6 3. Bb5 *

[Apertura "Ruy Lopez: Nuernberg variation"]
[ECO "C60"]

{ Ruy Lopez: Nuernberg variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 f6 *

[Apertura "Ruy Lopez: Pollock defence"]
[ECO "C60"]

{ Ruy Lopez: Pollock defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 Na5 *

[Apertura "Ruy Lopez: Lucena defence"]
[ECO "C60"]

{ Ruy Lopez: Lucena defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 Be7 *

[Apertura "Ruy Lopez: Vinogradov variation"]
[ECO "C60"]

{ Ruy Lopez: Vinogradov variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 Qe7 *

[Apertura "Ruy Lopez: Brentano defence"]
[ECO "C60"]

{ Ruy Lopez: Brentano defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 g5 *

[Apertura "Ruy Lopez: fianchetto (Smyslov/Barnes)"]
[ECO "C60"]

{ Ruy Lopez: fianchetto (Smyslov/Barnes) defence } 1. e4 e5 2. Nf3 Nc6
3. Bb5 g6 *

[Apertura "Ruy Lopez: Cozio defence"]
[ECO "C60"]

{ Ruy Lopez: Cozio defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 *

[Apertura "Ruy Lopez: Cozio defence, Paulsen vari"]
[ECO "C60"]

{ Ruy Lopez: Cozio defence, Paulsen variation } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 Nge7 4. Nc3 g6 *

[Apertura "Ruy Lopez: Bird's defence"]
[ECO "C61"]

{ Ruy Lopez: Bird's defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 *

[Apertura "Ruy Lopez: Bird's defence, Paulsen var"]
[ECO "C61"]

{ Ruy Lopez: Bird's defence, Paulsen variation } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 Nd4 4. Nxd4 exd4 5. O-O Ne7 *

[Apertura "Ruy Lopez: old Steinitz defence"]
[ECO "C62"]

{ Ruy Lopez: old Steinitz defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 *

[Apertura "Ruy Lopez: old Steinitz defence, Nimzo"]
[ECO "C62"]

{ Ruy Lopez: old Steinitz defence, Nimzovich attack } 1. e4 e5 2. Nf3 Nc6
3. Bb5 d6 4. d4 Bd7 5. Nc3 Nf6 6. Bxc6 *

[Apertura "Ruy Lopez: old Steinitz defence, semi-"]
[ECO "C62"]

{ Ruy Lopez: old Steinitz defence, semi-Duras variation } 1. e4 e5 2. Nf3
Nc6 3. Bb5 d6 4. d4 Bd7 5. c4 *

[Apertura "Ruy Lopez: Schliemann defence"]
[ECO "C63"]

{ Ruy Lopez: Schliemann defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 *

[Apertura "Ruy Lopez: Schliemann defence, Berger "]
[ECO "C63"]

{ Ruy Lopez: Schliemann defence, Berger variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 f5 4. Nc3 *

[Apertura "Ruy Lopez: classical (Cordel) defence"]
[ECO "C64"]

{ Ruy Lopez: classical (Cordel) defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5
*

[Apertura "Ruy Lopez: classical defence, Zaitsev "]
[ECO "C64"]

{ Ruy Lopez: classical defence, Zaitsev variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 Bc5 4. O-O Nd4 5. b4 *

[Apertura "Ruy Lopez: classical defence, 4.c3"]
[ECO "C64"]

{ Ruy Lopez: classical defence, 4.c3 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4.
c3 *

[Apertura "Ruy Lopez: classical defence, Benelux "]
[ECO "C64"]

{ Ruy Lopez: classical defence, Benelux variation   } 1. e4 e5 2. Nf3 Nc6
3. Bb5 Bc5 4. c3 Nf6 5. O-O O-O 6. d4 Bb6 *

[Apertura "Ruy Lopez: classical defence, Charouse"]
[ECO "C64"]

{ Ruy Lopez: classical defence, Charousek variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 Bc5 4. c3 Bb6 *

[Apertura "Ruy Lopez: classical defence, Boden va"]
[ECO "C64"]

{ Ruy Lopez: classical defence, Boden variation } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 Bc5 4. c3 Qe7 *

[Apertura "Ruy Lopez: Cordel gambit"]
[ECO "C64"]

{ Ruy Lopez: Cordel gambit } 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 f5 *

[Apertura "Ruy Lopez: Berlin defence"]
[ECO "C65"]

{ Ruy Lopez: Berlin defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 *

[Apertura "Ruy Lopez: Berlin defence, Nyholm atta"]
[ECO "C65"]

{ Ruy Lopez: Berlin defence, Nyholm attack } 1. e4 e5 2. Nf3 Nc6 3. Bb5
Nf6 4. d4 exd4 5. O-O *

[Apertura "Ruy Lopez: Berlin defence, Mortimer va"]
[ECO "C65"]

{ Ruy Lopez: Berlin defence, Mortimer variation } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 Nf6 4. d3 Ne7 *

[Apertura "Ruy Lopez: Berlin defence, Mortimer tr"]
[ECO "C65"]

{ Ruy Lopez: Berlin defence, Mortimer trap } 1. e4 e5 2. Nf3 Nc6 3. Bb5
Nf6 4. d3 Ne7 5. Nxe5 c6 *

[Apertura "Ruy Lopez: Berlin defence, Anderssen v"]
[ECO "C65"]

{ Ruy Lopez: Berlin defence, Anderssen variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 Nf6 4. d3 d6 5. Bxc6+ *

[Apertura "Ruy Lopez: Berlin defence, Duras varia"]
[ECO "C65"]

{ Ruy Lopez: Berlin defence, Duras variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5
Nf6 4. d3 d6 5. c4 *

[Apertura "Ruy Lopez: Berlin defence, Kaufmann va"]
[ECO "C65"]

{ Ruy Lopez: Berlin defence, Kaufmann variation } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 Nf6 4. d3 Bc5 5. Be3 *

[Apertura "Ruy Lopez: Berlin defence, 4.O-O"]
[ECO "C65"]

{ Ruy Lopez: Berlin defence, 4.O-O } 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4.
O-O *

[Apertura "Ruy Lopez: Berlin defence, Beverwijk v"]
[ECO "C65"]

{ Ruy Lopez: Berlin defence, Beverwijk variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 Nf6 4. O-O Bc5 *

[Apertura "Ruy Lopez: Berlin defence, 4.O-O, d6"]
[ECO "C66"]

{ Ruy Lopez: Berlin defence, 4.O-O, d6 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6
4. O-O d6 *

[Apertura "Ruy Lopez: Berlin defence, hedgehog va"]
[ECO "C66"]

{ Ruy Lopez: Berlin defence, hedgehog variation } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 *

[Apertura "Ruy Lopez: Berlin defence, Tarrasch tr"]
[ECO "C66"]

{ Ruy Lopez: Berlin defence, Tarrasch trap } 1. e4 e5 2. Nf3 Nc6 3. Bb5
Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Re1 O-O *

[Apertura "Ruy Lopez: closed Berlin defence, Bern"]
[ECO "C66"]

{ Ruy Lopez: closed Berlin defence, Bernstein variation } 1. e4 e5 2. Nf3
Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5 *

[Apertura "Ruy Lopez: closed Berlin defence, Show"]
[ECO "C66"]

{ Ruy Lopez: closed Berlin defence, Showalter variation } 1. e4 e5 2. Nf3
Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bxc6 *

[Apertura "Ruy Lopez: closed Berlin defence, Wolf"]
[ECO "C66"]

{ Ruy Lopez: closed Berlin defence, Wolf variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 exd4 *

[Apertura "Ruy Lopez: closed Berlin defence, Chig"]
[ECO "C66"]

{ Ruy Lopez: closed Berlin defence, Chigorin variation } 1. e4 e5 2. Nf3
Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Nd7 *

[Apertura "Ruy Lopez: Berlin defence, open variat"]
[ECO "C67"]

{ Ruy Lopez: Berlin defence, open variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5
Nf6 4. O-O Nxe4 *

[Apertura "Ruy Lopez: open Berlin defence, l'Herm"]
[ECO "C67"]

{ Ruy Lopez: open Berlin defence, l'Hermet variation } 1. e4 e5 2. Nf3
Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 *

[Apertura "Ruy Lopez: open Berlin defence, Showal"]
[ECO "C67"]

{ Ruy Lopez: open Berlin defence, Showalter variation } 1. e4 e5 2. Nf3
Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Ba4 *

[Apertura "Ruy Lopez: open Berlin defence, 5...Be"]
[ECO "C67"]

{ Ruy Lopez: open Berlin defence, 5...Be7 } 1. e4 e5 2. Nf3 Nc6 3. Bb5
Nf6 4. O-O Nxe4 5. d4 Be7 *

[Apertura "Ruy Lopez: Berlin defence, Rio de Jane"]
[ECO "C67"]

{ Ruy Lopez: Berlin defence, Rio de Janeiro variation } 1. e4 e5 2. Nf3
Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7
9. Nc3 O-O 10. Re1 Nc5 11. Nd4 Ne6 12. Be3 Nxd4 13. Bxd4 c5 *

[Apertura "Ruy Lopez: Berlin defence, Zukertort v"]
[ECO "C67"]

{ Ruy Lopez: Berlin defence, Zukertort variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9.
c4 *

[Apertura "Ruy Lopez: Berlin defence, Pillsbury v"]
[ECO "C67"]

{ Ruy Lopez: Berlin defence, Pillsbury variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9.
b3 *

[Apertura "Ruy Lopez: Berlin defence, Winawer att"]
[ECO "C67"]

{ Ruy Lopez: Berlin defence, Winawer attack } 1. e4 e5 2. Nf3 Nc6 3. Bb5
Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. Nd4 *

[Apertura "Ruy Lopez: Berlin defence, Cordel vari"]
[ECO "C67"]

{ Ruy Lopez: Berlin defence, Cordel variation } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nf5 *

[Apertura "Ruy Lopez: Berlin defence, Trifunovic "]
[ECO "C67"]

{ Ruy Lopez: Berlin defence, Trifunovic variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 d5 *

[Apertura "Ruy Lopez: Berlin defence, Minckwitz v"]
[ECO "C67"]

{ Ruy Lopez: Berlin defence, Minckwitz variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. dxe5 *

[Apertura "Ruy Lopez: Berlin defence, Rosenthal v"]
[ECO "C67"]

{ Ruy Lopez: Berlin defence, Rosenthal variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 Nf6 4. O-O Nxe4 5. d4 a6 *

[Apertura "Ruy Lopez: exchange variation"]
[ECO "C68"]

{ Ruy Lopez: exchange variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6
*

[Apertura "Ruy Lopez: exchange, Alekhine variatio"]
[ECO "C68"]

{ Ruy Lopez: exchange, Alekhine variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5
a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd7 *

[Apertura "Ruy Lopez: exchange, Keres variation"]
[ECO "C68"]

{ Ruy Lopez: exchange, Keres variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Bxc6 dxc6 5. Nc3 *

[Apertura "Ruy Lopez: exchange, Romanovsky variat"]
[ECO "C68"]

{ Ruy Lopez: exchange, Romanovsky variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5
a6 4. Bxc6 dxc6 5. Nc3 f6 6. d3 *

[Apertura "Ruy Lopez: exchange variation, 5.O-O"]
[ECO "C69"]

{ Ruy Lopez: exchange variation, 5.O-O } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Bxc6 dxc6 5. O-O *

[Apertura "Ruy Lopez: exchange variation, Alapin "]
[ECO "C69"]

{ Ruy Lopez: exchange variation, Alapin gambit } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5 *

[Apertura "Ruy Lopez: exchange, Gligoric variatio"]
[ECO "C69"]

{ Ruy Lopez: exchange, Gligoric variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5
a6 4. Bxc6 dxc6 5. O-O f6 *

[Apertura "Ruy Lopez: exchange, Bronstein variati"]
[ECO "C69"]

{ Ruy Lopez: exchange, Bronstein variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5
a6 4. Bxc6 dxc6 5. O-O Qd6 *

[Apertura "Ruy Lopez"]
[ECO "C70"]

{ Ruy Lopez } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 *

[Apertura "Ruy Lopez: fianchetto defence deferred"]
[ECO "C70"]

{ Ruy Lopez: fianchetto defence deferred } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 g6 *

[Apertura "Ruy Lopez: Cozio defence deferred"]
[ECO "C70"]

{ Ruy Lopez: Cozio defence deferred } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nge7 *

[Apertura "Ruy Lopez: Bird's defence deferred"]
[ECO "C70"]

{ Ruy Lopez: Bird's defence deferred } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nd4 *

[Apertura "Ruy Lopez: Alapin's defence deferred"]
[ECO "C70"]

{ Ruy Lopez: Alapin's defence deferred } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Bb4 *

[Apertura "Ruy Lopez: Classical defence deferred"]
[ECO "C70"]

{ Ruy Lopez: Classical defence deferred } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Bc5 *

[Apertura "Ruy Lopez: Caro variation"]
[ECO "C70"]

{ Ruy Lopez: Caro variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 *

[Apertura "Ruy Lopez: Graz variation"]
[ECO "C70"]

{ Ruy Lopez: Graz variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5.
Bb3 Bc5 *

[Apertura "Ruy Lopez: Taimanov (chase/wing/accele"]
[ECO "C70"]

{ Ruy Lopez: Taimanov (chase/wing/accelerated counterthrust) variation
} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 *

[Apertura "Ruy Lopez: Schliemann defence deferred"]
[ECO "C70"]

{ Ruy Lopez: Schliemann defence deferred } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 f5 *

[Apertura "Ruy Lopez: modern Steinitz defence"]
[ECO "C71"]

{ Ruy Lopez: modern Steinitz defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 d6 *

[Apertura "Ruy Lopez: Noah's ark trap"]
[ECO "C71"]

{ Ruy Lopez: Noah's ark trap } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6
5. d4 b5 6. Bb3 Nxd4 7. Nxd4 exd4 8. Qxd4 c5 *

[Apertura "Ruy Lopez: modern Steinitz defence, Th"]
[ECO "C71"]

{ Ruy Lopez: modern Steinitz defence, Three knights variation } 1. e4 e5
2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Nc3 *

[Apertura "Ruy Lopez: modern Steinitz defence, Du"]
[ECO "C71"]

{ Ruy Lopez: modern Steinitz defence, Duras (Keres) variation } 1. e4 e5
2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c4 *

[Apertura "Ruy Lopez: modern Steinitz defence, 5."]
[ECO "C72"]

{ Ruy Lopez: modern Steinitz defence, 5.O-O } 1. e4 e5 2. Nf3 Nc6 3. Bb5
a6 4. Ba4 d6 5. O-O *

[Apertura "Ruy Lopez: modern Steinitz defence, Ri"]
[ECO "C73"]

{ Ruy Lopez: modern Steinitz defence, Richter variation } 1. e4 e5 2. Nf3
Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 *

[Apertura "Ruy Lopez: modern Steinitz defence, Al"]
[ECO "C73"]

{ Ruy Lopez: modern Steinitz defence, Alapin variation } 1. e4 e5 2. Nf3
Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 *

[Apertura "Ruy Lopez: modern Steinitz defence"]
[ECO "C74"]

{ Ruy Lopez: modern Steinitz defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 d6 5. c3 *

[Apertura "Ruy Lopez: modern Steinitz defence, si"]
[ECO "C74"]

{ Ruy Lopez: modern Steinitz defence, siesta variation } 1. e4 e5 2. Nf3
Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 *

[Apertura "Ruy Lopez: Siesta, Kopayev variation"]
[ECO "C74"]

{ Ruy Lopez: Siesta, Kopayev variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 7. O-O *

[Apertura "Ruy Lopez: modern Steinitz defence"]
[ECO "C75"]

{ Ruy Lopez: modern Steinitz defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 d6 5. c3 Bd7 *

[Apertura "Ruy Lopez: modern Steinitz defence, Ru"]
[ECO "C75"]

{ Ruy Lopez: modern Steinitz defence, Rubinstein variation } 1. e4 e5 2.
Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7 *

[Apertura "Ruy Lopez: modern Steinitz defence, fi"]
[ECO "C76"]

{ Ruy Lopez: modern Steinitz defence, fianchetto (Bronstein) variation
} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 g6 *

[Apertura "Ruy Lopez: Morphy defence"]
[ECO "C77"]

{ Ruy Lopez: Morphy defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6
*

[Apertura "Ruy Lopez: four knights (Tarrasch) var"]
[ECO "C77"]

{ Ruy Lopez: four knights (Tarrasch) variation } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 a6 4. Ba4 Nf6 5. Nc3 *

[Apertura "Ruy Lopez: Treybal (Bayreuth) variatio"]
[ECO "C77"]

{ Ruy Lopez: Treybal (Bayreuth) variation (exchange var. deferred) } 1.
e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 *

[Apertura "Ruy Lopez: Wormald (Alapin) attack"]
[ECO "C77"]

{ Ruy Lopez: Wormald (Alapin) attack } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. Qe2 *

[Apertura "Ruy Lopez: Wormald attack, Gruenfeld v"]
[ECO "C77"]

{ Ruy Lopez: Wormald attack, Gruenfeld variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 *

[Apertura "Ruy Lopez: Anderssen variation"]
[ECO "C77"]

{ Ruy Lopez: Anderssen variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. d3 *

[Apertura "Ruy Lopez: Morphy defence, Duras varia"]
[ECO "C77"]

{ Ruy Lopez: Morphy defence, Duras variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5
a6 4. Ba4 Nf6 5. d3 d6 6. c4 *

[Apertura "Ruy Lopez: 5.O-O"]
[ECO "C78"]

{ Ruy Lopez: 5.O-O } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O *

[Apertura "Ruy Lopez: Wing attack"]
[ECO "C78"]

{ Ruy Lopez: Wing attack } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5.
O-O b5 6. Bb3 Be7 7. a4 *

[Apertura "Ruy Lopez: ...b5 & ...d6"]
[ECO "C78"]

{ Ruy Lopez: ...b5 & ...d6 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5.
O-O b5 6. Bb3 d6 *

[Apertura "Ruy Lopez: Rabinovich variation"]
[ECO "C78"]

{ Ruy Lopez: Rabinovich variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. O-O b5 6. Bb3 d6 7. Ng5 d5 8. exd5 Nd4 9. Re1 Bc5 10. Rxe5+ Kf8
*

[Apertura "Ruy Lopez: Archangelsk (counterthrust)"]
[ECO "C78"]

{ Ruy Lopez: Archangelsk (counterthrust) variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 *

[Apertura "Ruy Lopez: Moeller defence"]
[ECO "C78"]

{ Ruy Lopez: Moeller defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6
5. O-O Bc5 *

[Apertura "Ruy Lopez: Steinitz defence deferred ("]
[ECO "C79"]

{ Ruy Lopez: Steinitz defence deferred (Russian defence) } 1. e4 e5 2.
Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 *

[Apertura "Ruy Lopez: Steinitz defence deferred, "]
[ECO "C79"]

{ Ruy Lopez: Steinitz defence deferred, Lipnitsky variation } 1. e4 e5
2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Bg4 *

[Apertura "Ruy Lopez: Steinitz defence deferred, "]
[ECO "C79"]

{ Ruy Lopez: Steinitz defence deferred, Rubinstein variation } 1. e4 e5
2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Nxe4 *

[Apertura "Ruy Lopez: Steinitz defence deferred, "]
[ECO "C79"]

{ Ruy Lopez: Steinitz defence deferred, Boleslavsky variation } 1. e4 e5
2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Nxe4 8. Re1
f5 9. dxe5 d5 10. Nc3 *

[Apertura "Ruy Lopez: open (Tarrasch) defence"]
[ECO "C80"]

{ Ruy Lopez: open (Tarrasch) defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Nxe4 *

[Apertura "Ruy Lopez: open, Tartakower variation"]
[ECO "C80"]

{ Ruy Lopez: open, Tartakower variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Nxe4 6. Qe2 *

[Apertura "Ruy Lopez: open, Knorre variation"]
[ECO "C80"]

{ Ruy Lopez: open, Knorre variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Nxe4 6. Nc3 *

[Apertura "Ruy Lopez: open, 6.d4"]
[ECO "C80"]

{ Ruy Lopez: open, 6.d4 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O
Nxe4 6. d4 *

[Apertura "Ruy Lopez: open, Riga variation"]
[ECO "C80"]

{ Ruy Lopez: open, Riga variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. O-O Nxe4 6. d4 exd4 *

[Apertura "Ruy Lopez: open, 6.d4 b5"]
[ECO "C80"]

{ Ruy Lopez: open, 6.d4 b5 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5.
O-O Nxe4 6. d4 b5 *

[Apertura "Ruy Lopez: open, Friess attack"]
[ECO "C80"]

{ Ruy Lopez: open, Friess attack } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. O-O Nxe4 6. d4 b5 7. Nxe5 *

[Apertura "Ruy Lopez: open, Richter variation"]
[ECO "C80"]

{ Ruy Lopez: open, Richter variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. d5 *

[Apertura "Ruy Lopez: open, 7.Bb3"]
[ECO "C80"]

{ Ruy Lopez: open, 7.Bb3 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5.
O-O Nxe4 6. d4 b5 7. Bb3 *

[Apertura "Ruy Lopez: open, Schlechter defence"]
[ECO "C80"]

{ Ruy Lopez: open, Schlechter defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. a4 Nxd4 *

[Apertura "Ruy Lopez: open, Berger variation"]
[ECO "C80"]

{ Ruy Lopez: open, Berger variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. a4 Nxd4 9. Nxd4 exd4 10. Nc3
*

[Apertura "Ruy Lopez: open, Harksen gambit"]
[ECO "C80"]

{ Ruy Lopez: open, Harksen gambit } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. c4 *

[Apertura "Ruy Lopez: open, 8.de"]
[ECO "C80"]

{ Ruy Lopez: open, 8.de } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O
Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 *

[Apertura "Ruy Lopez: open, Zukertort variation"]
[ECO "C80"]

{ Ruy Lopez: open, Zukertort variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Ne7 *

[Apertura "Ruy Lopez: open, 8...Be6"]
[ECO "C80"]

{ Ruy Lopez: open, 8...Be6 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5.
O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 *

[Apertura "Ruy Lopez: open, Bernstein variation"]
[ECO "C80"]

{ Ruy Lopez: open, Bernstein variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 *

[Apertura "Ruy Lopez: open, Bernstein variation, "]
[ECO "C80"]

{ Ruy Lopez: open, Bernstein variation, Karpov gambit } 1. e4 e5 2. Nf3
Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9.
Nbd2 Nc5 10. c3 d4 11. Ng5 *

[Apertura "Ruy Lopez: open, Howell attack"]
[ECO "C81"]

{ Ruy Lopez: open, Howell attack } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 *

[Apertura "Ruy Lopez: open, Howell attack, Ekstro"]
[ECO "C81"]

{ Ruy Lopez: open, Howell attack, Ekstroem variation } 1. e4 e5 2. Nf3
Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9.
Qe2 Be7 10. Rd1 O-O 11. c4 bxc4 12. Bxc4 Qd7 *

[Apertura "Ruy Lopez: open, Howell attack, Adam v"]
[ECO "C81"]

{ Ruy Lopez: open, Howell attack, Adam variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2
Be7 10. c4 *

[Apertura "Ruy Lopez: open, 9.c3"]
[ECO "C82"]

{ Ruy Lopez: open, 9.c3 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O
Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 *

[Apertura "Ruy Lopez: open, Berlin variation"]
[ECO "C82"]

{ Ruy Lopez: open, Berlin variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 *

[Apertura "Ruy Lopez: open, Italian variation"]
[ECO "C82"]

{ Ruy Lopez: open, Italian variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 *

[Apertura "Ruy Lopez: open, St. Petersburg variat"]
[ECO "C82"]

{ Ruy Lopez: open, St. Petersburg variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5
a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10.
Nbd2 *

[Apertura "Ruy Lopez: open, Dilworth variation"]
[ECO "C82"]

{ Ruy Lopez: open, Dilworth variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
11. Bc2 Nxf2 *

[Apertura "Ruy Lopez: open, Motzko attack"]
[ECO "C82"]

{ Ruy Lopez: open, Motzko attack } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qd3 *

[Apertura "Ruy Lopez: open, Motzko attack, Nenaro"]
[ECO "C82"]

{ Ruy Lopez: open, Motzko attack, Nenarokov variation } 1. e4 e5 2. Nf3
Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9.
c3 Bc5 10. Qd3 Ne7 *

[Apertura "Ruy Lopez: open, classical defence"]
[ECO "C83"]

{ Ruy Lopez: open, classical defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 *

[Apertura "Ruy Lopez: open, Malkin variation"]
[ECO "C83"]

{ Ruy Lopez: open, Malkin variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 O-O
11. Qe2 *

[Apertura "Ruy Lopez: open, 9...Be7, 10.Re1"]
[ECO "C83"]

{ Ruy Lopez: open, 9...Be7, 10.Re1 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 *

[Apertura "Ruy Lopez: open, Tarrasch trap"]
[ECO "C83"]

{ Ruy Lopez: open, Tarrasch trap } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 O-O 11.
Nd4 Qd7 12. Nxe6 fxe6 13. Rxe4 *

[Apertura "Ruy Lopez: open, Breslau variation"]
[ECO "C83"]

{ Ruy Lopez: open, Breslau variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 O-O
11. Nd4 Nxe5 *

[Apertura "Ruy Lopez: closed defence"]
[ECO "C84"]

{ Ruy Lopez: closed defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6
5. O-O Be7 *

[Apertura "Ruy Lopez: closed, centre attack"]
[ECO "C84"]

{ Ruy Lopez: closed, centre attack } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. O-O Be7 6. d4 *

[Apertura "Ruy Lopez: closed, Basque gambit (Nort"]
[ECO "C84"]

{ Ruy Lopez: closed, Basque gambit (North Spanish variation) } 1. e4 e5
2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 exd4 7. e5 Ne4 8. c3 *

[Apertura "Ruy Lopez: Exchange variation doubly d"]
[ECO "C85"]

{ Ruy Lopez: Exchange variation doubly deferred (DERLD) } 1. e4 e5 2. Nf3
Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 *

[Apertura "Ruy Lopez: Worrall attack"]
[ECO "C86"]

{ Ruy Lopez: Worrall attack } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6
5. O-O Be7 6. Qe2 *

[Apertura "Ruy Lopez: Worrall attack, sharp line"]
[ECO "C86"]

{ Ruy Lopez: Worrall attack, sharp line } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O *

[Apertura "Ruy Lopez: Worrall attack, solid line"]
[ECO "C86"]

{ Ruy Lopez: Worrall attack, solid line } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 *

[Apertura "Ruy Lopez: closed, Averbach variation"]
[ECO "C87"]

{ Ruy Lopez: closed, Averbach variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 *

[Apertura "Ruy Lopez: closed"]
[ECO "C88"]

{ Ruy Lopez: closed } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7
6. Re1 b5 7. Bb3 *

[Apertura "Ruy Lopez: closed, Leonhardt variation"]
[ECO "C88"]

{ Ruy Lopez: closed, Leonhardt variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
11. h3 Nc6 12. d5 Nb8 13. Nbd2 g5 *

[Apertura "Ruy Lopez: closed, Balla variation"]
[ECO "C88"]

{ Ruy Lopez: closed, Balla variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11.
a4 *

[Apertura "Ruy Lopez: closed, 7...d6, 8.d4"]
[ECO "C88"]

{ Ruy Lopez: closed, 7...d6, 8.d4 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. d4 *

[Apertura "Ruy Lopez: Noah's ark trap"]
[ECO "C88"]

{ Ruy Lopez: Noah's ark trap } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6
5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. d4 Nxd4 9. Nxd4 exd4 10. Qxd4 c5 *

[Apertura "Ruy Lopez: Trajkovic counter-attack"]
[ECO "C88"]

{ Ruy Lopez: Trajkovic counter-attack } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 Bb7 *

[Apertura "Ruy Lopez: closed, 7...O-O"]
[ECO "C88"]

{ Ruy Lopez: closed, 7...O-O } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6
5. O-O Be7 6. Re1 b5 7. Bb3 O-O *

[Apertura "Ruy Lopez: closed, anti-Marshall 8.a4"]
[ECO "C88"]

{ Ruy Lopez: closed, anti-Marshall 8.a4 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 *

[Apertura "Ruy Lopez: closed, 8.c3"]
[ECO "C88"]

{ Ruy Lopez: closed, 8.c3 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5.
O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 *

[Apertura "Ruy Lopez: Marshall counter-attack"]
[ECO "C89"]

{ Ruy Lopez: Marshall counter-attack } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 *

[Apertura "Ruy Lopez: Marshall counter-attack, 11"]
[ECO "C89"]

{ Ruy Lopez: Marshall counter-attack, 11...c6 } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5
10. Nxe5 Nxe5 11. Rxe5 c6 *

[Apertura "Ruy Lopez: Marshall, Kevitz variation"]
[ECO "C89"]

{ Ruy Lopez: Marshall, Kevitz variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5
Nxe5 11. Rxe5 c6 12. Bxd5 cxd5 13. d4 Bd6 14. Re3 *

[Apertura "Ruy Lopez: Marshall, main line, 12.d2d"]
[ECO "C89"]

{ Ruy Lopez: Marshall, main line, 12.d2d4 } 1. e4 e5 2. Nf3 Nc6 3. Bb5
a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10.
Nxe5 Nxe5 11. Rxe5 c6 12. d4 *

[Apertura "Ruy Lopez: Marshall, main line, 14...Q"]
[ECO "C89"]

{ Ruy Lopez: Marshall, main line, 14...Qh3 } 1. e4 e5 2. Nf3 Nc6 3. Bb5
a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10.
Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 *

[Apertura "Ruy Lopez: Marshall, main line, Spassk"]
[ECO "C89"]

{ Ruy Lopez: Marshall, main line, Spassky variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5
10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Bg4
16. Qd3 Rae8 17. Nd2 Re6 18. a4 Qh5 *

[Apertura "Ruy Lopez: Marshall, Herman Steiner va"]
[ECO "C89"]

{ Ruy Lopez: Marshall, Herman Steiner variation } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 *

[Apertura "Ruy Lopez: closed (with ...d6)"]
[ECO "C90"]

{ Ruy Lopez: closed (with ...d6) } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 *

[Apertura "Ruy Lopez: closed, Pilnik variation"]
[ECO "C90"]

{ Ruy Lopez: closed, Pilnik variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d3 *

[Apertura "Ruy Lopez: closed, Lutikov variation"]
[ECO "C90"]

{ Ruy Lopez: closed, Lutikov variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. Bc2 *

[Apertura "Ruy Lopez: closed, Suetin variation"]
[ECO "C90"]

{ Ruy Lopez: closed, Suetin variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. a3 *

[Apertura "Ruy Lopez: closed, 9.d4"]
[ECO "C91"]

{ Ruy Lopez: closed, 9.d4 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5.
O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d4 *

[Apertura "Ruy Lopez: closed, Bogolyubov variatio"]
[ECO "C91"]

{ Ruy Lopez: closed, Bogolyubov variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5
a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d4 Bg4 *

[Apertura "Ruy Lopez: closed, 9.h3"]
[ECO "C92"]

{ Ruy Lopez: closed, 9.h3 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5.
O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 *

[Apertura "Ruy Lopez: closed, Keres (9...a5) vari"]
[ECO "C92"]

{ Ruy Lopez: closed, Keres (9...a5) variation } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 a5 *

[Apertura "Ruy Lopez: closed, Kholmov variation"]
[ECO "C92"]

{ Ruy Lopez: closed, Kholmov variation } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Be6 *

[Apertura "Ruy Lopez: closed, Ragozin-Petrosian ("]
[ECO "C92"]

{ Ruy Lopez: closed, Ragozin-Petrosian (`Keres') variation } 1. e4 e5 2.
Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9.
h3 Nd7 *

[Apertura "Ruy Lopez: closed, Flohr-Zaitsev syste"]
[ECO "C92"]

{ Ruy Lopez: closed, Flohr-Zaitsev system (Lenzerheide variation) } 1.
e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8.
c3 d6 9. h3 Bb7 *

[Apertura "Ruy Lopez: closed, Smyslov defence"]
[ECO "C93"]

{ Ruy Lopez: closed, Smyslov defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 *

[Apertura "Ruy Lopez: closed, Breyer defence"]
[ECO "C94"]

{ Ruy Lopez: closed, Breyer defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 *

[Apertura "Ruy Lopez: closed, Breyer, 10.d4"]
[ECO "C95"]

{ Ruy Lopez: closed, Breyer, 10.d4 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 10. d4 *

[Apertura "Ruy Lopez: closed, Breyer, Borisenko v"]
[ECO "C95"]

{ Ruy Lopez: closed, Breyer, Borisenko variation } 1. e4 e5 2. Nf3 Nc6
3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8
10. d4 Nbd7 *

[Apertura "Ruy Lopez: closed, Breyer, Gligoric va"]
[ECO "C95"]

{ Ruy Lopez: closed, Breyer, Gligoric variation } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 10.
d4 Nbd7 11. Nbd2 Bb7 12. Bc2 c5 *

[Apertura "Ruy Lopez: closed, Breyer, Simagin var"]
[ECO "C95"]

{ Ruy Lopez: closed, Breyer, Simagin variation } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 10.
d4 Nbd7 11. Nh4 *

[Apertura "Ruy Lopez: closed (8...Na5)"]
[ECO "C96"]

{ Ruy Lopez: closed (8...Na5) } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6
5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 *

[Apertura "Ruy Lopez: closed, Rossolimo defence"]
[ECO "C96"]

{ Ruy Lopez: closed, Rossolimo defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c6
11. d4 Qc7 *

[Apertura "Ruy Lopez: closed (10...c5)"]
[ECO "C96"]

{ Ruy Lopez: closed (10...c5) } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6
5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 *

[Apertura "Ruy Lopez: closed, Borisenko defence"]
[ECO "C96"]

{ Ruy Lopez: closed, Borisenko defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5
11. d4 Nc6 *

[Apertura "Ruy Lopez: closed, Keres (...Nd7) defe"]
[ECO "C96"]

{ Ruy Lopez: closed, Keres (...Nd7) defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5
a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2
c5 11. d4 Nd7 *

[Apertura "Ruy Lopez: closed, Chigorin defence"]
[ECO "C97"]

{ Ruy Lopez: closed, Chigorin defence } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11.
d4 Qc7 *

[Apertura "Ruy Lopez: closed, Chigorin, Yugoslav "]
[ECO "C97"]

{ Ruy Lopez: closed, Chigorin, Yugoslav system } 1. e4 e5 2. Nf3 Nc6 3.
Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10.
Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Rfe8 14. Ne3 g6 *

[Apertura "Ruy Lopez: closed, Chigorin, 12...Nc6"]
[ECO "C98"]

{ Ruy Lopez: closed, Chigorin, 12...Nc6 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5
11. d4 Qc7 12. Nbd2 Nc6 *

[Apertura "Ruy Lopez: closed, Chigorin, Rauzer at"]
[ECO "C98"]

{ Ruy Lopez: closed, Chigorin, Rauzer attack } 1. e4 e5 2. Nf3 Nc6 3. Bb5
a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2
c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 *

[Apertura "Ruy Lopez: closed, Chigorin, 12...c5d4"]
[ECO "C99"]

{ Ruy Lopez: closed, Chigorin, 12...c5d4 } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5
11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 *

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