[Apertura "Polish (Sokolsky) opening"]
[ECO "A00"]
{ Polish (Sokolsky) opening } 1. b4 *
[Apertura "Polish: Tuebingen variation"]
[ECO "A00"]
{ Polish: Tuebingen variation } 1. b4 Nh6 *
[Apertura "Polish: Outflank variation"]
[ECO "A00"]
{ Polish: Outflank variation } 1. b4 c6 *
[Apertura "Benko's opening"]
[ECO "A00"]
{ Benko's opening } 1. g3 *
[Apertura "Lasker simul special"]
[ECO "A00"]
{ Lasker simul special } 1. g3 h5 *
[Apertura "Benko's opening: reversed Alekhine"]
[ECO "A00"]
{ Benko's opening: reversed Alekhine } 1. g3 e5 2. Nf3 *
[Apertura "Grob's attack"]
[ECO "A00"]
{ Grob's attack } 1. g4 *
[Apertura "Grob: spike attack"]
[ECO "A00"]
{ Grob: spike attack } 1. g4 d5 2. Bg2 c6 3. g5 *
[Apertura "Grob: Fritz gambit"]
[ECO "A00"]
{ Grob: Fritz gambit } 1. g4 d5 2. Bg2 Bxg4 3. c4 *
[Apertura "Grob: Romford counter-gambit"]
[ECO "A00"]
{ Grob: Romford counter-gambit } 1. g4 d5 2. Bg2 Bxg4 3. c4 d4 *
[Apertura "Clemenz (Mead's, Basman's or de Klerk'"]
[ECO "A00"]
{ Clemenz (Mead's, Basman's or de Klerk's) opening } 1. h3 *
[Apertura "Global opening"]
[ECO "A00"]
{ Global opening } 1. h3 e5 2. a3 *
[Apertura "Amar (Paris) opening"]
[ECO "A00"]
{ Amar (Paris) opening } 1. Nh3 *
[Apertura "Amar gambit"]
[ECO "A00"]
{ Amar gambit } 1. Nh3 d5 2. g3 e5 3. f4 Bxh3 4. Bxh3 exf4 *
[Apertura "Dunst (Sleipner, Heinrichsen) opening"]
[ECO "A00"]
{ Dunst (Sleipner, Heinrichsen) opening } 1. Nc3 *
[Apertura "Dunst (Sleipner,Heinrichsen) opening"]
[ECO "A00"]
{ Dunst (Sleipner,Heinrichsen) opening } 1. Nc3 e5 *
[Apertura "Battambang opening"]
[ECO "A00"]
{ Battambang opening } 1. Nc3 e5 2. a3 *
[Apertura "Novosibirsk opening"]
[ECO "A00"]
{ Novosibirsk opening } 1. Nc3 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qh4 *
[Apertura "Anderssen's opening"]
[ECO "A00"]
{ Anderssen's opening } 1. a3 *
[Apertura "Ware (Meadow Hay) opening"]
[ECO "A00"]
{ Ware (Meadow Hay) opening } 1. a4 *
[Apertura "Crab opening"]
[ECO "A00"]
{ Crab opening } 1. a4 e5 2. h4 *
[Apertura "Saragossa opening"]
[ECO "A00"]
{ Saragossa opening } 1. c3 *
[Apertura "Mieses opening"]
[ECO "A00"]
{ Mieses opening } 1. d3 *
[Apertura "Mieses opening"]
[ECO "A00"]
{ Mieses opening } 1. d3 e5 *
[Apertura "Valencia opening"]
[ECO "A00"]
{ Valencia opening } 1. d3 e5 2. Nd2 *
[Apertura "Venezolana opening"]
[ECO "A00"]
{ Venezolana opening } 1. d3 c5 2. Nc3 Nc6 3. g3 *
[Apertura "Van't Kruijs opening"]
[ECO "A00"]
{ Van't Kruijs opening } 1. e3 *
[Apertura "Amsterdam attack"]
[ECO "A00"]
{ Amsterdam attack } 1. e3 e5 2. c4 d6 3. Nc3 Nc6 4. b3 Nf6 *
[Apertura "Gedult's opening"]
[ECO "A00"]
{ Gedult's opening } 1. f3 *
[Apertura "Hammerschlag (Fried fox/Pork chop open"]
[ECO "A00"]
{ Hammerschlag (Fried fox/Pork chop opening) } 1. f3 e5 2. Kf2 *
[Apertura "Anti-Borg (Desprez) opening"]
[ECO "A00"]
{ Anti-Borg (Desprez) opening } 1. h4 *
[Apertura "Durkin's attack"]
[ECO "A00"]
{ Durkin's attack } 1. Na3 *
[Apertura "Nimzovich-Larsen attack"]
[ECO "A01"]
{ Nimzovich-Larsen attack } 1. b3 *
[Apertura "Nimzovich-Larsen attack: modern variat"]
[ECO "A01"]
{ Nimzovich-Larsen attack: modern variation } 1. b3 e5 *
[Apertura "Nimzovich-Larsen attack: Indian variat"]
[ECO "A01"]
{ Nimzovich-Larsen attack: Indian variation } 1. b3 Nf6 *
[Apertura "Nimzovich-Larsen attack: classical var"]
[ECO "A01"]
{ Nimzovich-Larsen attack: classical variation } 1. b3 d5 *
[Apertura "Nimzovich-Larsen attack: English varia"]
[ECO "A01"]
{ Nimzovich-Larsen attack: English variation } 1. b3 c5 *
[Apertura "Nimzovich-Larsen attack: Dutch variati"]
[ECO "A01"]
{ Nimzovich-Larsen attack: Dutch variation } 1. b3 f5 *
[Apertura "Nimzovich-Larsen attack: Polish variat"]
[ECO "A01"]
{ Nimzovich-Larsen attack: Polish variation } 1. b3 b5 *
[Apertura "Nimzovich-Larsen attack: symmetrical v"]
[ECO "A01"]
{ Nimzovich-Larsen attack: symmetrical variation } 1. b3 b6 *
[Apertura "Bird's opening"]
[ECO "A02"]
{ Bird's opening } 1. f4 *
[Apertura "Bird: From gambit"]
[ECO "A02"]
{ Bird: From gambit } 1. f4 e5 *
[Apertura "Bird: From gambit, Lasker variation"]
[ECO "A02"]
{ Bird: From gambit, Lasker variation } 1. f4 e5 2. fxe5 d6 3. exd6 Bxd6
4. Nf3 g5 *
[Apertura "Bird: From gambit, Lipke variation"]
[ECO "A02"]
{ Bird: From gambit, Lipke variation } 1. f4 e5 2. fxe5 d6 3. exd6 Bxd6
4. Nf3 Nh6 5. d4 *
[Apertura "Bird's opening, Swiss gambit"]
[ECO "A02"]
{ Bird's opening, Swiss gambit } 1. f4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4 *
[Apertura "Bird: Hobbs gambit"]
[ECO "A02"]
{ Bird: Hobbs gambit } 1. f4 g5 *
[Apertura "Bird's opening"]
[ECO "A03"]
{ Bird's opening } 1. f4 d5 *
[Apertura "Mujannah opening"]
[ECO "A03"]
{ Mujannah opening } 1. f4 d5 2. c4 *
[Apertura "Bird's opening: Williams gambit"]
[ECO "A03"]
{ Bird's opening: Williams gambit } 1. f4 d5 2. e4 *
[Apertura "Bird's opening: Lasker variation"]
[ECO "A03"]
{ Bird's opening: Lasker variation } 1. f4 d5 2. Nf3 Nf6 3. e3 c5 *
[Apertura "Reti opening"]
[ECO "A04"]
{ Reti opening } 1. Nf3 *
[Apertura "Reti v Dutch"]
[ECO "A04"]
{ Reti v Dutch } 1. Nf3 f5 *
[Apertura "Reti: Pirc-Lisitsin gambit"]
[ECO "A04"]
{ Reti: Pirc-Lisitsin gambit } 1. Nf3 f5 2. e4 *
[Apertura "Reti: Lisitsin gambit deferred"]
[ECO "A04"]
{ Reti: Lisitsin gambit deferred } 1. Nf3 f5 2. d3 Nf6 3. e4 *
[Apertura "Reti opening"]
[ECO "A04"]
{ Reti opening } 1. Nf3 d6 *
[Apertura "Reti: Wade defence"]
[ECO "A04"]
{ Reti: Wade defence } 1. Nf3 d6 2. e4 Bg4 *
[Apertura "Reti: Herrstroem gambit"]
[ECO "A04"]
{ Reti: Herrstroem gambit } 1. Nf3 g5 *
[Apertura "Reti opening"]
[ECO "A05"]
{ Reti opening } 1. Nf3 Nf6 *
[Apertura "Reti: King's Indian attack, Spassky's "]
[ECO "A05"]
{ Reti: King's Indian attack, Spassky's variation } 1. Nf3 Nf6 2. g3 b5
*
[Apertura "Reti: King's Indian attack"]
[ECO "A05"]
{ Reti: King's Indian attack } 1. Nf3 Nf6 2. g3 g6 *
[Apertura "Reti: King's Indian attack, Reti-Smysl"]
[ECO "A05"]
{ Reti: King's Indian attack, Reti-Smyslov variation } 1. Nf3 Nf6 2. g3
g6 3. b4 *
[Apertura "Reti opening"]
[ECO "A06"]
{ Reti opening } 1. Nf3 d5 *
[Apertura "Reti: old Indian attack"]
[ECO "A06"]
{ Reti: old Indian attack } 1. Nf3 d5 2. d3 *
[Apertura "Santasiere's folly"]
[ECO "A06"]
{ Santasiere's folly } 1. Nf3 d5 2. b4 *
[Apertura "Tennison (Lemberg, Zukertort) gambit"]
[ECO "A06"]
{ Tennison (Lemberg, Zukertort) gambit } 1. Nf3 d5 2. e4 *
[Apertura "Reti: Nimzovich-Larsen attack"]
[ECO "A06"]
{ Reti: Nimzovich-Larsen attack } 1. Nf3 d5 2. b3 *
[Apertura "Reti: King's Indian attack (Barcza sys"]
[ECO "A07"]
{ Reti: King's Indian attack (Barcza system) } 1. Nf3 d5 2. g3 *
[Apertura "Reti: King's Indian attack, Yugoslav v"]
[ECO "A07"]
{ Reti: King's Indian attack, Yugoslav variation } 1. Nf3 d5 2. g3 Nf6
3. Bg2 c6 4. O-O Bg4 *
[Apertura "Reti: King's Indian attack, Keres vari"]
[ECO "A07"]
{ Reti: King's Indian attack, Keres variation } 1. Nf3 d5 2. g3 Bg4 3.
Bg2 Nd7 *
[Apertura "Reti: King's Indian attack"]
[ECO "A07"]
{ Reti: King's Indian attack } 1. Nf3 d5 2. g3 g6 *
[Apertura "Reti: King's Indian attack, Pachman sy"]
[ECO "A07"]
{ Reti: King's Indian attack, Pachman system } 1. Nf3 d5 2. g3 g6 3. Bg2
Bg7 4. O-O e5 5. d3 Ne7 *
[Apertura "Reti: King's Indian attack (with ...c5"]
[ECO "A07"]
{ Reti: King's Indian attack (with ...c5) } 1. Nf3 d5 2. g3 c5 *
[Apertura "Reti: King's Indian attack"]
[ECO "A08"]
{ Reti: King's Indian attack } 1. Nf3 d5 2. g3 c5 3. Bg2 *
[Apertura "Reti: King's Indian attack, French var"]
[ECO "A08"]
{ Reti: King's Indian attack, French variation } 1. Nf3 d5 2. g3 c5 3.
Bg2 Nc6 4. O-O e6 5. d3 Nf6 6. Nbd2 Be7 7. e4 O-O 8. Re1 *
[Apertura "Reti opening"]
[ECO "A09"]
{ Reti opening } 1. Nf3 d5 2. c4 *
[Apertura "Reti: advance variation"]
[ECO "A09"]
{ Reti: advance variation } 1. Nf3 d5 2. c4 d4 *
[Apertura "Reti accepted"]
[ECO "A09"]
{ Reti accepted } 1. Nf3 d5 2. c4 dxc4 *
[Apertura "Reti accepted: Keres variation"]
[ECO "A09"]
{ Reti accepted: Keres variation } 1. Nf3 d5 2. c4 dxc4 3. e3 Be6 *
[Apertura "English opening"]
[ECO "A10"]
{ English opening } 1. c4 *
[Apertura "English opening"]
[ECO "A10"]
{ English opening } 1. c4 g6 *
[Apertura "English: Adorjan defence"]
[ECO "A10"]
{ English: Adorjan defence } 1. c4 g6 2. e4 e5 *
[Apertura "English: Jaenisch gambit"]
[ECO "A10"]
{ English: Jaenisch gambit } 1. c4 b5 *
[Apertura "English: Anglo-Dutch defense"]
[ECO "A10"]
{ English: Anglo-Dutch defense } 1. c4 f5 *
[Apertura "English: Caro-Kann defensive system"]
[ECO "A11"]
{ English: Caro-Kann defensive system } 1. c4 c6 *
[Apertura "English: Caro-Kann defensive system"]
[ECO "A12"]
{ English: Caro-Kann defensive system } 1. c4 c6 2. Nf3 d5 3. b3 *
[Apertura "English: Torre defensive system"]
[ECO "A12"]
{ English: Torre defensive system } 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. g3
Bg4 *
[Apertura "English: London defensive system"]
[ECO "A12"]
{ English: London defensive system } 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. g3
Bf5 *
[Apertura "English: Caro-Kann defensive system"]
[ECO "A12"]
{ English: Caro-Kann defensive system } 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4.
Bb2 *
[Apertura "English: Bled variation"]
[ECO "A12"]
{ English: Bled variation } 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 g6 *
[Apertura "English: New York (London) defensive s"]
[ECO "A12"]
{ English: New York (London) defensive system } 1. c4 c6 2. Nf3 d5 3. b3
Nf6 4. Bb2 Bf5 *
[Apertura "English: Capablanca's variation"]
[ECO "A12"]
{ English: Capablanca's variation } 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2
Bg4 *
[Apertura "English: Caro-Kann defensive system, B"]
[ECO "A12"]
{ English: Caro-Kann defensive system, Bogolyubov variation } 1. c4 c6
2. Nf3 d5 3. b3 Bg4 *
[Apertura "English opening"]
[ECO "A13"]
{ English opening } 1. c4 e6 *
[Apertura "English: Romanishin gambit"]
[ECO "A13"]
{ English: Romanishin gambit } 1. c4 e6 2. Nf3 Nf6 3. g3 a6 4. Bg2 b5 *
[Apertura "English opening: Agincourt variation"]
[ECO "A13"]
{ English opening: Agincourt variation } 1. c4 e6 2. Nf3 d5 *
[Apertura "English: Wimpey system"]
[ECO "A13"]
{ English: Wimpey system } 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 c5 5. e3
*
[Apertura "English opening: Agincourt variation"]
[ECO "A13"]
{ English opening: Agincourt variation } 1. c4 e6 2. Nf3 d5 3. g3 *
[Apertura "English: Kurajica defence"]
[ECO "A13"]
{ English: Kurajica defence } 1. c4 e6 2. Nf3 d5 3. g3 c6 *
[Apertura "English: Neo-Catalan"]
[ECO "A13"]
{ English: Neo-Catalan } 1. c4 e6 2. Nf3 d5 3. g3 Nf6 *
[Apertura "English: Neo-Catalan accepted"]
[ECO "A13"]
{ English: Neo-Catalan accepted } 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4
*
[Apertura "English: Neo-Catalan declined"]
[ECO "A14"]
{ English: Neo-Catalan declined } 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7
5. O-O *
[Apertura "English: Symmetrical, Keres defence"]
[ECO "A14"]
{ English: Symmetrical, Keres defence } 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4.
Bg2 Be7 5. O-O c5 6. cxd5 Nxd5 7. Nc3 Nc6 *
[Apertura "English, 1...Nf6 (Anglo-Indian defense"]
[ECO "A15"]
{ English, 1...Nf6 (Anglo-Indian defense) } 1. c4 Nf6 *
[Apertura "English orang-utan"]
[ECO "A15"]
{ English orang-utan } 1. c4 Nf6 2. b4 *
[Apertura "English opening"]
[ECO "A15"]
{ English opening } 1. c4 Nf6 2. Nf3 *
[Apertura "English opening"]
[ECO "A16"]
{ English opening } 1. c4 Nf6 2. Nc3 *
[Apertura "English: Anglo-Gruenfeld defense"]
[ECO "A16"]
{ English: Anglo-Gruenfeld defense } 1. c4 Nf6 2. Nc3 d5 *
[Apertura "English: Anglo-Gruenfeld, Smyslov defe"]
[ECO "A16"]
{ English: Anglo-Gruenfeld, Smyslov defense } 1. c4 Nf6 2. Nc3 d5 3. cxd5
Nxd5 4. g3 g6 5. Bg2 Nxc3 *
[Apertura "English: Anglo-Gruenfeld, Czech defens"]
[ECO "A16"]
{ English: Anglo-Gruenfeld, Czech defense } 1. c4 Nf6 2. Nc3 d5 3. cxd5
Nxd5 4. g3 g6 5. Bg2 Nb6 *
[Apertura "English: Anglo-Gruenfeld defense"]
[ECO "A16"]
{ English: Anglo-Gruenfeld defense } 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4.
Nf3 *
[Apertura "English: Anglo-Gruenfeld defense, Korc"]
[ECO "A16"]
{ English: Anglo-Gruenfeld defense, Korchnoi variation } 1. c4 Nf6 2. Nc3
d5 3. cxd5 Nxd5 4. Nf3 g6 5. g3 Bg7 6. Bg2 e5 *
[Apertura "English opening"]
[ECO "A17"]
{ English opening } 1. c4 Nf6 2. Nc3 e6 *
[Apertura "English: Queens Indian formation"]
[ECO "A17"]
{ English: Queens Indian formation } 1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 *
[Apertura "English: Queens Indian, Romanishin var"]
[ECO "A17"]
{ English: Queens Indian, Romanishin variation } 1. c4 Nf6 2. Nc3 e6 3.
Nf3 b6 4. e4 Bb7 5. Bd3 *
[Apertura "English: Nimzo-English opening"]
[ECO "A17"]
{ English: Nimzo-English opening } 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 *
[Apertura "English: Mikenas-Carls variation"]
[ECO "A18"]
{ English: Mikenas-Carls variation } 1. c4 Nf6 2. Nc3 e6 3. e4 *
[Apertura "English: Mikenas-Carls, Flohr variatio"]
[ECO "A18"]
{ English: Mikenas-Carls, Flohr variation } 1. c4 Nf6 2. Nc3 e6 3. e4 d5
4. e5 *
[Apertura "English: Mikenas-Carls, Kevitz variati"]
[ECO "A18"]
{ English: Mikenas-Carls, Kevitz variation } 1. c4 Nf6 2. Nc3 e6 3. e4
Nc6 *
[Apertura "English: Mikenas-Carls, Sicilian varia"]
[ECO "A19"]
{ English: Mikenas-Carls, Sicilian variation } 1. c4 Nf6 2. Nc3 e6 3. e4
c5 *
[Apertura "English opening"]
[ECO "A20"]
{ English opening } 1. c4 e5 *
[Apertura "English, Nimzovich variation"]
[ECO "A20"]
{ English, Nimzovich variation } 1. c4 e5 2. Nf3 *
[Apertura "English, Nimzovich, Flohr variation"]
[ECO "A20"]
{ English, Nimzovich, Flohr variation } 1. c4 e5 2. Nf3 e4 *
[Apertura "English opening"]
[ECO "A21"]
{ English opening } 1. c4 e5 2. Nc3 *
[Apertura "English, Troeger defence"]
[ECO "A21"]
{ English, Troeger defence } 1. c4 e5 2. Nc3 d6 3. g3 Be6 4. Bg2 Nc6 *
[Apertura "English, Keres variation"]
[ECO "A21"]
{ English, Keres variation } 1. c4 e5 2. Nc3 d6 3. g3 c6 *
[Apertura "English opening"]
[ECO "A21"]
{ English opening } 1. c4 e5 2. Nc3 d6 3. Nf3 *
[Apertura "English, Smyslov defence"]
[ECO "A21"]
{ English, Smyslov defence } 1. c4 e5 2. Nc3 d6 3. Nf3 Bg4 *
[Apertura "English, Kramnik-Shirov counterattack"]
[ECO "A21"]
{ English, Kramnik-Shirov counterattack } 1. c4 e5 2. Nc3 Bb4 *
[Apertura "English opening"]
[ECO "A22"]
{ English opening } 1. c4 e5 2. Nc3 Nf6 *
[Apertura "English: Bellon gambit"]
[ECO "A22"]
{ English: Bellon gambit } 1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 b5 *
[Apertura "English: Carls' Bremen system"]
[ECO "A22"]
{ English: Carls' Bremen system } 1. c4 e5 2. Nc3 Nf6 3. g3 *
[Apertura "English: Bremen, reverse dragon"]
[ECO "A22"]
{ English: Bremen, reverse dragon } 1. c4 e5 2. Nc3 Nf6 3. g3 d5 *
[Apertura "English: Bremen, Smyslov system"]
[ECO "A22"]
{ English: Bremen, Smyslov system } 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 *
[Apertura "English: Bremen system, Keres variatio"]
[ECO "A23"]
{ English: Bremen system, Keres variation } 1. c4 e5 2. Nc3 Nf6 3. g3 c6
*
[Apertura "English: Bremen system with ...g6"]
[ECO "A24"]
{ English: Bremen system with ...g6 } 1. c4 e5 2. Nc3 Nf6 3. g3 g6 *
[Apertura "English: Sicilian reversed"]
[ECO "A25"]
{ English: Sicilian reversed } 1. c4 e5 2. Nc3 Nc6 *
[Apertura "English: closed system"]
[ECO "A25"]
{ English: closed system } 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 *
[Apertura "English: closed, Taimanov variation"]
[ECO "A25"]
{ English: closed, Taimanov variation } 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4.
Bg2 Bg7 5. e3 d6 6. Nge2 Nh6 *
[Apertura "English: closed, Hort variation"]
[ECO "A25"]
{ English: closed, Hort variation } 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2
Bg7 5. e3 d6 6. Nge2 Be6 *
[Apertura "English: closed, 5.Rb1"]
[ECO "A25"]
{ English: closed, 5.Rb1 } 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1
*
[Apertura "English: closed, 5.Rb1 Taimanov variat"]
[ECO "A25"]
{ English: closed, 5.Rb1 Taimanov variation } 1. c4 e5 2. Nc3 Nc6 3. g3
g6 4. Bg2 Bg7 5. Rb1 Nh6 *
[Apertura "English: closed system (without ...d6)"]
[ECO "A25"]
{ English: closed system (without ...d6) } 1. c4 e5 2. Nc3 Nc6 3. g3 g6
4. Bg2 Bg7 5. d3 *
[Apertura "English: closed system"]
[ECO "A26"]
{ English: closed system } 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3
d6 *
[Apertura "English: Botvinnik system"]
[ECO "A26"]
{ English: Botvinnik system } 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5.
d3 d6 6. e4 *
[Apertura "English: three knights system"]
[ECO "A27"]
{ English: three knights system } 1. c4 e5 2. Nc3 Nc6 3. Nf3 *
[Apertura "English: four knights system"]
[ECO "A28"]
{ English: four knights system } 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 *
[Apertura "English: Nenarokov variation"]
[ECO "A28"]
{ English: Nenarokov variation } 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 exd4
5. Nxd4 Bb4 6. Bg5 h6 7. Bh4 Bxc3+ 8. bxc3 Ne5 *
[Apertura "English: Bradley Beach variation"]
[ECO "A28"]
{ English: Bradley Beach variation } 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4.
d4 e4 *
[Apertura "English: four knights, Nimzovich varia"]
[ECO "A28"]
{ English: four knights, Nimzovich variation } 1. c4 e5 2. Nc3 Nc6 3. Nf3
Nf6 4. e4 *
[Apertura "English: four knights, Marini variatio"]
[ECO "A28"]
{ English: four knights, Marini variation } 1. c4 e5 2. Nc3 Nc6 3. Nf3
Nf6 4. a3 *
[Apertura "English: four knights, Capablanca vari"]
[ECO "A28"]
{ English: four knights, Capablanca variation } 1. c4 e5 2. Nc3 Nc6 3.
Nf3 Nf6 4. d3 *
[Apertura "English: four knights, 4.e3"]
[ECO "A28"]
{ English: four knights, 4.e3 } 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 *
[Apertura "English: four knights, Stean variation"]
[ECO "A28"]
{ English: four knights, Stean variation } 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6
4. e3 Bb4 5. Qc2 O-O 6. Nd5 Re8 7. Qf5 *
[Apertura "English: four knights, Romanishin vari"]
[ECO "A28"]
{ English: four knights, Romanishin variation } 1. c4 e5 2. Nc3 Nc6 3.
Nf3 Nf6 4. e3 Bb4 5. Qc2 Bxc3 *
[Apertura "English: four knights, kingside fianch"]
[ECO "A29"]
{ English: four knights, kingside fianchetto } 1. c4 e5 2. Nc3 Nc6 3. Nf3
Nf6 4. g3 *
[Apertura "English: symmetrical variation"]
[ECO "A30"]
{ English: symmetrical variation } 1. c4 c5 *
[Apertura "English: symmetrical, hedgehog system"]
[ECO "A30"]
{ English: symmetrical, hedgehog system } 1. c4 c5 2. Nf3 Nf6 3. g3 b6
4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 *
[Apertura "English: symmetrical, hedgehog, flexib"]
[ECO "A30"]
{ English: symmetrical, hedgehog, flexible formation } 1. c4 c5 2. Nf3
Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1
a6 10. b3 Nbd7 *
[Apertura "English: symmetrical, Benoni formation"]
[ECO "A31"]
{ English: symmetrical, Benoni formation } 1. c4 c5 2. Nf3 Nf6 3. d4 *
[Apertura "English: symmetrical variation"]
[ECO "A32"]
{ English: symmetrical variation } 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4
e6 *
[Apertura "English: symmetrical variation"]
[ECO "A33"]
{ English: symmetrical variation } 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4
e6 5. Nc3 Nc6 *
[Apertura "English: symmetrical, Geller variation"]
[ECO "A33"]
{ English: symmetrical, Geller variation } 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4
4. Nxd4 e6 5. Nc3 Nc6 6. g3 Qb6 *
[Apertura "English: symmetrical variation"]
[ECO "A34"]
{ English: symmetrical variation } 1. c4 c5 2. Nc3 *
[Apertura "English: symmetrical, three knights sy"]
[ECO "A34"]
{ English: symmetrical, three knights system } 1. c4 c5 2. Nc3 Nf6 3. Nf3
d5 4. cxd5 Nxd5 *
[Apertura "English: symmetrical variation"]
[ECO "A34"]
{ English: symmetrical variation } 1. c4 c5 2. Nc3 Nf6 3. g3 *
[Apertura "English: symmetrical, Rubinstein syste"]
[ECO "A34"]
{ English: symmetrical, Rubinstein system } 1. c4 c5 2. Nc3 Nf6 3. g3 d5
4. cxd5 Nxd5 5. Bg2 Nc7 *
[Apertura "English: symmetrical variation"]
[ECO "A35"]
{ English: symmetrical variation } 1. c4 c5 2. Nc3 Nc6 *
[Apertura "English: symmetrical, four knights sys"]
[ECO "A35"]
{ English: symmetrical, four knights system } 1. c4 c5 2. Nc3 Nc6 3. Nf3
Nf6 *
[Apertura "English: symmetrical variation"]
[ECO "A36"]
{ English: symmetrical variation } 1. c4 c5 2. Nc3 Nc6 3. g3 *
[Apertura "English: ultra-symmetrical variation"]
[ECO "A36"]
{ English: ultra-symmetrical variation } 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4.
Bg2 Bg7 *
[Apertura "English: symmetrical, Botvinnik system"]
[ECO "A36"]
{ English: symmetrical, Botvinnik system reversed } 1. c4 c5 2. Nc3 Nc6
3. g3 g6 4. Bg2 Bg7 5. e3 e5 *
[Apertura "English: symmetrical, Botvinnik system"]
[ECO "A36"]
{ English: symmetrical, Botvinnik system } 1. c4 c5 2. Nc3 Nc6 3. g3 g6
4. Bg2 Bg7 5. e4 *
[Apertura "English: symmetrical variation"]
[ECO "A37"]
{ English: symmetrical variation } 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2
Bg7 5. Nf3 *
[Apertura "English: symmetrical, Botvinnik system"]
[ECO "A37"]
{ English: symmetrical, Botvinnik system reversed } 1. c4 c5 2. Nc3 Nc6
3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 *
[Apertura "English: symmetrical variation"]
[ECO "A38"]
{ English: symmetrical variation } 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2
Bg7 5. Nf3 Nf6 *
[Apertura "English: symmetrical, main line with d"]
[ECO "A38"]
{ English: symmetrical, main line with d3 } 1. c4 c5 2. Nc3 Nc6 3. g3 g6
4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. d3 *
[Apertura "English: symmetrical, main line with b"]
[ECO "A38"]
{ English: symmetrical, main line with b3 } 1. c4 c5 2. Nc3 Nc6 3. g3 g6
4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. b3 *
[Apertura "English: symmetrical, main line with d"]
[ECO "A39"]
{ English: symmetrical, main line with d4 } 1. c4 c5 2. Nc3 Nc6 3. g3 g6
4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. d4 *
[Apertura "Queen's pawn"]
[ECO "A40"]
{ Queen's pawn } 1. d4 *
[Apertura "Queen's pawn: Lundin (Kevitz-Mikenas) "]
[ECO "A40"]
{ Queen's pawn: Lundin (Kevitz-Mikenas) defence } 1. d4 Nc6 *
[Apertura "Queen's pawn: Charlick (Englund) gambi"]
[ECO "A40"]
{ Queen's pawn: Charlick (Englund) gambit } 1. d4 e5 *
[Apertura "Queen's pawn: Englund gambit"]
[ECO "A40"]
{ Queen's pawn: Englund gambit } 1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Qd5
f6 5. exf6 Nxf6 *
[Apertura "Queen's pawn: English defence"]
[ECO "A40"]
{ Queen's pawn: English defence } 1. d4 b6 *
[Apertura "Polish defence"]
[ECO "A40"]
{ Polish defence } 1. d4 b5 *
[Apertura "Queen's pawn"]
[ECO "A40"]
{ Queen's pawn } 1. d4 e6 *
[Apertura "Queen's pawn: Keres defence"]
[ECO "A40"]
{ Queen's pawn: Keres defence } 1. d4 e6 2. c4 b6 *
[Apertura "Queen's pawn: Franco-Indian (Keres) de"]
[ECO "A40"]
{ Queen's pawn: Franco-Indian (Keres) defence } 1. d4 e6 2. c4 Bb4+ *
[Apertura "Modern defence"]
[ECO "A40"]
{ Modern defence } 1. d4 g6 *
[Apertura "Beefeater defence"]
[ECO "A40"]
{ Beefeater defence } 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3
f5 *
[Apertura "Queen's Pawn"]
[ECO "A41"]
{ Queen's Pawn } 1. d4 d6 *
[Apertura "Old Indian: Tartakower (Wade) variatio"]
[ECO "A41"]
{ Old Indian: Tartakower (Wade) variation } 1. d4 d6 2. Nf3 Bg4 *
[Apertura "Old Indian defence"]
[ECO "A41"]
{ Old Indian defence } 1. d4 d6 2. c4 *
[Apertura "Modern defence"]
[ECO "A41"]
{ Modern defence } 1. d4 d6 2. c4 g6 3. Nc3 Bg7 *
[Apertura "Robatsch defence: Rossolimo variation"]
[ECO "B06"]
{ Robatsch defence: Rossolimo variation } 1. e4 g6 2. d4 Bg7 3. Nf3 d6
4. c4 Bg4 *
[Apertura "Modern defence: Averbakh system"]
[ECO "A42"]
{ Modern defence: Averbakh system } 1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4
*
[Apertura "Pterodactyl defence"]
[ECO "A42"]
{ Pterodactyl defence } 1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. Nf3 Qa5
*
[Apertura "Modern defence: Averbakh system, Rands"]
[ECO "A42"]
{ Modern defence: Averbakh system, Randspringer variation } 1. d4 d6 2.
c4 g6 3. Nc3 Bg7 4. e4 f5 *
[Apertura "Modern defence: Averbakh system, Kotov"]
[ECO "A42"]
{ Modern defence: Averbakh system, Kotov variation } 1. d4 d6 2. c4 g6
3. Nc3 Bg7 4. e4 Nc6 *
[Apertura "Old Benoni defence"]
[ECO "A43"]
{ Old Benoni defence } 1. d4 c5 *
[Apertura "Old Benoni: Franco-Benoni defence"]
[ECO "A43"]
{ Old Benoni: Franco-Benoni defence } 1. d4 c5 2. d5 e6 3. e4 *
[Apertura "Old Benoni: Mujannah formation"]
[ECO "A43"]
{ Old Benoni: Mujannah formation } 1. d4 c5 2. d5 f5 *
[Apertura "Old Benoni defence"]
[ECO "A43"]
{ Old Benoni defence } 1. d4 c5 2. d5 Nf6 *
[Apertura "Woozle defence"]
[ECO "A43"]
{ Woozle defence } 1. d4 c5 2. d5 Nf6 3. Nc3 Qa5 *
[Apertura "Old Benoni defence"]
[ECO "A43"]
{ Old Benoni defence } 1. d4 c5 2. d5 Nf6 3. Nf3 *
[Apertura "Hawk (Habichd) defence"]
[ECO "A43"]
{ Hawk (Habichd) defence } 1. d4 c5 2. d5 Nf6 3. Nf3 c4 *
[Apertura "Old Benoni defence"]
[ECO "A43"]
{ Old Benoni defence } 1. d4 c5 2. d5 d6 *
[Apertura "Old Benoni: Schmid's system"]
[ECO "A43"]
{ Old Benoni: Schmid's system } 1. d4 c5 2. d5 d6 3. Nc3 g6 *
[Apertura "Old Benoni defence"]
[ECO "A44"]
{ Old Benoni defence } 1. d4 c5 2. d5 e5 *
[Apertura "Semi-Benoni (`blockade variation')"]
[ECO "A44"]
{ Semi-Benoni (`blockade variation') } 1. d4 c5 2. d5 e5 3. e4 d6 *
[Apertura "Queen's pawn game"]
[ECO "A45"]
{ Queen's pawn game } 1. d4 Nf6 *
[Apertura "Queen's pawn: Bronstein gambit"]
[ECO "A45"]
{ Queen's pawn: Bronstein gambit } 1. d4 Nf6 2. g4 *
[Apertura "Canard opening"]
[ECO "A45"]
{ Canard opening } 1. d4 Nf6 2. f4 *
[Apertura "Paleface attack"]
[ECO "A45"]
{ Paleface attack } 1. d4 Nf6 2. f3 *
[Apertura "Blackmar-Diemer gambit"]
[ECO "A45"]
{ Blackmar-Diemer gambit } 1. d4 Nf6 2. f3 d5 3. e4 *
[Apertura "Gedult attack"]
[ECO "A45"]
{ Gedult attack } 1. d4 Nf6 2. f3 d5 3. g4 *
[Apertura "Trompovsky attack (Ruth, Opovcensky op"]
[ECO "A45"]
{ Trompovsky attack (Ruth, Opovcensky opening) } 1. d4 Nf6 2. Bg5 *
[Apertura "Queen's pawn game"]
[ECO "A46"]
{ Queen's pawn game } 1. d4 Nf6 2. Nf3 *
[Apertura "Queen's pawn: Torre attack"]
[ECO "A46"]
{ Queen's pawn: Torre attack } 1. d4 Nf6 2. Nf3 e6 3. Bg5 *
[Apertura "Queen's pawn: Torre attack, Wagner gam"]
[ECO "A46"]
{ Queen's pawn: Torre attack, Wagner gambit } 1. d4 Nf6 2. Nf3 e6 3. Bg5
c5 4. e4 *
[Apertura "Queen's pawn: Yusupov-Rubinstein syste"]
[ECO "A46"]
{ Queen's pawn: Yusupov-Rubinstein system } 1. d4 Nf6 2. Nf3 e6 3. e3 *
[Apertura "Doery defence"]
[ECO "A46"]
{ Doery defence } 1. d4 Nf6 2. Nf3 Ne4 *
[Apertura "Queen's Indian defence"]
[ECO "A47"]
{ Queen's Indian defence } 1. d4 Nf6 2. Nf3 b6 *
[Apertura "Queen's Indian: Marienbad system"]
[ECO "A47"]
{ Queen's Indian: Marienbad system } 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2
c5 *
[Apertura "Queen's Indian: Marienbad system, Berg"]
[ECO "A47"]
{ Queen's Indian: Marienbad system, Berg variation } 1. d4 Nf6 2. Nf3 b6
3. g3 Bb7 4. Bg2 c5 5. c4 cxd4 6. Qxd4 *
[Apertura "King's Indian: East Indian defence"]
[ECO "A48"]
{ King's Indian: East Indian defence } 1. d4 Nf6 2. Nf3 g6 *
[Apertura "King's Indian: Torre attack"]
[ECO "A48"]
{ King's Indian: Torre attack } 1. d4 Nf6 2. Nf3 g6 3. Bg5 *
[Apertura "King's Indian: London system"]
[ECO "A48"]
{ King's Indian: London system } 1. d4 Nf6 2. Nf3 g6 3. Bf4 *
[Apertura "King's Indian: fianchetto without c4"]
[ECO "A49"]
{ King's Indian: fianchetto without c4 } 1. d4 Nf6 2. Nf3 g6 3. g3 *
[Apertura "Queen's pawn game"]
[ECO "A50"]
{ Queen's pawn game } 1. d4 Nf6 2. c4 *
[Apertura "Kevitz-Trajkovich defence"]
[ECO "A50"]
{ Kevitz-Trajkovich defence } 1. d4 Nf6 2. c4 Nc6 *
[Apertura "Queen's Indian accelerated"]
[ECO "A50"]
{ Queen's Indian accelerated } 1. d4 Nf6 2. c4 b6 *
[Apertura "Budapest defence declined"]
[ECO "A51"]
{ Budapest defence declined } 1. d4 Nf6 2. c4 e5 *
[Apertura "Budapest: Fajarowicz variation"]
[ECO "A51"]
{ Budapest: Fajarowicz variation } 1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 *
[Apertura "Budapest: Fajarowicz, Steiner variatio"]
[ECO "A51"]
{ Budapest: Fajarowicz, Steiner variation } 1. d4 Nf6 2. c4 e5 3. dxe5
Ne4 4. Qc2 *
[Apertura "Budapest defence"]
[ECO "A52"]
{ Budapest defence } 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 *
[Apertura "Budapest: Adler variation"]
[ECO "A52"]
{ Budapest: Adler variation } 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 *
[Apertura "Budapest: Rubinstein variation"]
[ECO "A52"]
{ Budapest: Rubinstein variation } 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4
*
[Apertura "Budapest: Alekhine variation"]
[ECO "A52"]
{ Budapest: Alekhine variation } 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 *
[Apertura "Budapest: Alekhine, Abonyi variation"]
[ECO "A52"]
{ Budapest: Alekhine, Abonyi variation } 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4
4. e4 Nxe5 5. f4 Nec6 *
[Apertura "Budapest: Alekhine variation, Balogh g"]
[ECO "A52"]
{ Budapest: Alekhine variation, Balogh gambit } 1. d4 Nf6 2. c4 e5 3. dxe5
Ng4 4. e4 d6 *
[Apertura "Old Indian defence"]
[ECO "A53"]
{ Old Indian defence } 1. d4 Nf6 2. c4 d6 *
[Apertura "Old Indian: Janowski variation"]
[ECO "A53"]
{ Old Indian: Janowski variation } 1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 *
[Apertura "Old Indian: Ukrainian variation"]
[ECO "A54"]
{ Old Indian: Ukrainian variation } 1. d4 Nf6 2. c4 d6 3. Nc3 e5 *
[Apertura "Old Indian: Dus-Khotimirsky variation"]
[ECO "A54"]
{ Old Indian: Dus-Khotimirsky variation } 1. d4 Nf6 2. c4 d6 3. Nc3 e5
4. e3 Nbd7 5. Bd3 *
[Apertura "Old Indian: Ukrainian variation, 4.Nf3"]
[ECO "A54"]
{ Old Indian: Ukrainian variation, 4.Nf3 } 1. d4 Nf6 2. c4 d6 3. Nc3 e5
4. Nf3 *
[Apertura "Old Indian: main line"]
[ECO "A55"]
{ Old Indian: main line } 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4
*
[Apertura "Benoni defence"]
[ECO "A56"]
{ Benoni defence } 1. d4 Nf6 2. c4 c5 *
[Apertura "Benoni defence, Hromodka system"]
[ECO "A56"]
{ Benoni defence, Hromodka system } 1. d4 Nf6 2. c4 c5 3. d5 d6 *
[Apertura "Vulture defence"]
[ECO "A56"]
{ Vulture defence } 1. d4 Nf6 2. c4 c5 3. d5 Ne4 *
[Apertura "Czech Benoni defence"]
[ECO "A56"]
{ Czech Benoni defence } 1. d4 Nf6 2. c4 c5 3. d5 e5 *
[Apertura "Czech Benoni: King's Indian system"]
[ECO "A56"]
{ Czech Benoni: King's Indian system } 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3
d6 5. e4 g6 *
[Apertura "Benko gambit"]
[ECO "A57"]
{ Benko gambit } 1. d4 Nf6 2. c4 c5 3. d5 b5 *
[Apertura "Benko gambit half accepted"]
[ECO "A57"]
{ Benko gambit half accepted } 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 *
[Apertura "Benko gambit: Zaitsev system"]
[ECO "A57"]
{ Benko gambit: Zaitsev system } 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6
5. Nc3 *
[Apertura "Benko gambit: Nescafe Frappe attack"]
[ECO "A57"]
{ Benko gambit: Nescafe Frappe attack } 1. d4 Nf6 2. c4 c5 3. d5 b5 4.
cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 d6 8. Bc4 *
[Apertura "Benko gambit accepted"]
[ECO "A58"]
{ Benko gambit accepted } 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6
*
[Apertura "Benko gambit: Nd2 variation"]
[ECO "A58"]
{ Benko gambit: Nd2 variation } 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6
5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. Nd2 *
[Apertura "Benko gambit: fianchetto variation"]
[ECO "A58"]
{ Benko gambit: fianchetto variation } 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5
a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3 *
[Apertura "Benko gambit: 7.e4"]
[ECO "A59"]
{ Benko gambit: 7.e4 } 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6
6. Nc3 d6 7. e4 *
[Apertura "Benko gambit: Ne2 variation"]
[ECO "A59"]
{ Benko gambit: Ne2 variation } 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6
5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. Nge2 *
[Apertura "Benko gambit"]
[ECO "A59"]
{ Benko gambit } 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6.
Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. g3 *
[Apertura "Benko gambit: main line"]
[ECO "A59"]
{ Benko gambit: main line } 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6
Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. g3 Bg7 10. Kg2 O-O 11. Nf3 *
[Apertura "Benoni defence"]
[ECO "A60"]
{ Benoni defence } 1. d4 Nf6 2. c4 c5 3. d5 e6 *
[Apertura "Benoni defence"]
[ECO "A61"]
{ Benoni defence } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6.
Nf3 g6 *
[Apertura "Benoni: Uhlmann variation"]
[ECO "A61"]
{ Benoni: Uhlmann variation } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5.
cxd5 d6 6. Nf3 g6 7. Bg5 *
[Apertura "Benoni: Nimzovich (knight's tour) vari"]
[ECO "A61"]
{ Benoni: Nimzovich (knight's tour) variation } 1. d4 Nf6 2. c4 c5 3. d5
e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 *
[Apertura "Benoni: fianchetto variation"]
[ECO "A61"]
{ Benoni: fianchetto variation } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5
5. cxd5 d6 6. Nf3 g6 7. g3 *
[Apertura "Benoni: fianchetto variation"]
[ECO "A62"]
{ Benoni: fianchetto variation } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5
5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O *
[Apertura "Benoni: fianchetto, 9...Nbd7"]
[ECO "A63"]
{ Benoni: fianchetto, 9...Nbd7 } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5
5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Nbd7 *
[Apertura "Benoni: fianchetto, 11...Re8"]
[ECO "A64"]
{ Benoni: fianchetto, 11...Re8 } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5
5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Nbd7 10. Nd2 a6 11. a4
Re8 *
[Apertura "Benoni: 6.e4"]
[ECO "A65"]
{ Benoni: 6.e4 } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6.
e4 *
[Apertura "Benoni: pawn storm variation"]
[ECO "A66"]
{ Benoni: pawn storm variation } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5
5. cxd5 d6 6. e4 g6 7. f4 *
[Apertura "Benoni: Mikenas variation"]
[ECO "A66"]
{ Benoni: Mikenas variation } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5.
cxd5 d6 6. e4 g6 7. f4 Bg7 8. e5 *
[Apertura "Benoni: Taimanov variation"]
[ECO "A67"]
{ Benoni: Taimanov variation } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5
5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ *
[Apertura "Benoni: four pawns attack"]
[ECO "A68"]
{ Benoni: four pawns attack } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5.
cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O *
[Apertura "Benoni: four pawns attack, main line"]
[ECO "A69"]
{ Benoni: four pawns attack, main line } 1. d4 Nf6 2. c4 c5 3. d5 e6 4.
Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8 *
[Apertura "Benoni: classical with e4 and Nf3"]
[ECO "A70"]
{ Benoni: classical with e4 and Nf3 } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3
exd5 5. cxd5 d6 6. e4 g6 7. Nf3 *
[Apertura "Benoni: classical without 9.O-O"]
[ECO "A70"]
{ Benoni: classical without 9.O-O } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3
exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 *
[Apertura "Benoni: classical, 8.Bg5"]
[ECO "A71"]
{ Benoni: classical, 8.Bg5 } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5.
cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 *
[Apertura "Benoni: classical without 9.O-O"]
[ECO "A72"]
{ Benoni: classical without 9.O-O } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3
exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O *
[Apertura "Benoni: classical, 9.O-O"]
[ECO "A73"]
{ Benoni: classical, 9.O-O } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5.
cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O *
[Apertura "Benoni: classical, 9...a6, 10.a4"]
[ECO "A74"]
{ Benoni: classical, 9...a6, 10.a4 } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3
exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O a6 10. a4 *
[Apertura "Benoni: classical with ...a6 and 10..."]
[ECO "A75"]
{ Benoni: classical with ...a6 and 10...Bg4 } 1. d4 Nf6 2. c4 c5 3. d5
e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O a6 10.
a4 Bg4 *
[Apertura "Benoni: classical, 9...Re8"]
[ECO "A76"]
{ Benoni: classical, 9...Re8 } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5
5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 *
[Apertura "Benoni: classical, 9...Re8, 10.Nd2"]
[ECO "A77"]
{ Benoni: classical, 9...Re8, 10.Nd2 } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3
exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 *
[Apertura "Benoni: classical with ...Re8 and ...N"]
[ECO "A78"]
{ Benoni: classical with ...Re8 and ...Na6 } 1. d4 Nf6 2. c4 c5 3. d5 e6
4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2
Na6 *
[Apertura "Benoni: classical, 11.f3"]
[ECO "A79"]
{ Benoni: classical, 11.f3 } 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5.
cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6 11. f3 *
[Apertura "Dutch"]
[ECO "A80"]
{ Dutch } 1. d4 f5 *
[Apertura "Dutch, Spielmann gambit"]
[ECO "A80"]
{ Dutch, Spielmann gambit } 1. d4 f5 2. Nc3 Nf6 3. g4 *
[Apertura "Dutch, Manhattan (Alapin, Ulvestad) va"]
[ECO "A80"]
{ Dutch, Manhattan (Alapin, Ulvestad) variation } 1. d4 f5 2. Qd3 *
[Apertura "Dutch, Von Pretzel gambit"]
[ECO "A80"]
{ Dutch, Von Pretzel gambit } 1. d4 f5 2. Qd3 e6 3. g4 *
[Apertura "Dutch, Korchnoi attack"]
[ECO "A80"]
{ Dutch, Korchnoi attack } 1. d4 f5 2. h3 *
[Apertura "Dutch, Krejcik gambit"]
[ECO "A80"]
{ Dutch, Krejcik gambit } 1. d4 f5 2. g4 *
[Apertura "Dutch, 2.Bg5 variation"]
[ECO "A80"]
{ Dutch, 2.Bg5 variation } 1. d4 f5 2. Bg5 *
[Apertura "Dutch defence"]
[ECO "A81"]
{ Dutch defence } 1. d4 f5 2. g3 *
[Apertura "Dutch defence, Blackburne variation"]
[ECO "A81"]
{ Dutch defence, Blackburne variation } 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4.
Nh3 *
[Apertura "Dutch defence"]
[ECO "A81"]
{ Dutch defence } 1. d4 f5 2. g3 Nf6 3. Bg2 g6 *
[Apertura "Dutch: Leningrad, Basman system"]
[ECO "A81"]
{ Dutch: Leningrad, Basman system } 1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nf3
c6 5. O-O Nh6 *
[Apertura "Dutch: Leningrad, Karlsbad variation"]
[ECO "A81"]
{ Dutch: Leningrad, Karlsbad variation } 1. d4 f5 2. g3 g6 3. Bg2 Bg7 4.
Nh3 *
[Apertura "Dutch: Staunton gambit"]
[ECO "A82"]
{ Dutch: Staunton gambit } 1. d4 f5 2. e4 *
[Apertura "Dutch: Balogh defence"]
[ECO "A82"]
{ Dutch: Balogh defence } 1. d4 f5 2. e4 d6 *
[Apertura "Dutch: Staunton gambit"]
[ECO "A82"]
{ Dutch: Staunton gambit } 1. d4 f5 2. e4 fxe4 *
[Apertura "Dutch: Staunton gambit, Tartakower var"]
[ECO "A82"]
{ Dutch: Staunton gambit, Tartakower variation } 1. d4 f5 2. e4 fxe4 3.
Nc3 Nf6 4. g4 *
[Apertura "Dutch: Staunton gambit, Staunton's lin"]
[ECO "A83"]
{ Dutch: Staunton gambit, Staunton's line } 1. d4 f5 2. e4 fxe4 3. Nc3
Nf6 4. Bg5 *
[Apertura "Dutch: Staunton gambit, Alekhine varia"]
[ECO "A83"]
{ Dutch: Staunton gambit, Alekhine variation } 1. d4 f5 2. e4 fxe4 3. Nc3
Nf6 4. Bg5 g6 5. h4 *
[Apertura "Dutch: Staunton gambit, Lasker variati"]
[ECO "A83"]
{ Dutch: Staunton gambit, Lasker variation } 1. d4 f5 2. e4 fxe4 3. Nc3
Nf6 4. Bg5 g6 5. f3 *
[Apertura "Dutch: Staunton gambit, Chigorin varia"]
[ECO "A83"]
{ Dutch: Staunton gambit, Chigorin variation } 1. d4 f5 2. e4 fxe4 3. Nc3
Nf6 4. Bg5 c6 *
[Apertura "Dutch: Staunton gambit, Nimzovich vari"]
[ECO "A83"]
{ Dutch: Staunton gambit, Nimzovich variation } 1. d4 f5 2. e4 fxe4 3.
Nc3 Nf6 4. Bg5 b6 *
[Apertura "Dutch defence"]
[ECO "A84"]
{ Dutch defence } 1. d4 f5 2. c4 *
[Apertura "Dutch defence: Bladel variation"]
[ECO "A84"]
{ Dutch defence: Bladel variation } 1. d4 f5 2. c4 g6 3. Nc3 Nh6 *
[Apertura "Dutch defence"]
[ECO "A84"]
{ Dutch defence } 1. d4 f5 2. c4 e6 *
[Apertura "Dutch defence, Rubinstein variation"]
[ECO "A84"]
{ Dutch defence, Rubinstein variation } 1. d4 f5 2. c4 e6 3. Nc3 *
[Apertura "Dutch: Staunton gambit deferred"]
[ECO "A84"]
{ Dutch: Staunton gambit deferred } 1. d4 f5 2. c4 e6 3. e4 *
[Apertura "Dutch defence"]
[ECO "A84"]
{ Dutch defence } 1. d4 f5 2. c4 Nf6 *
[Apertura "Dutch with c4 & Nc3"]
[ECO "A85"]
{ Dutch with c4 & Nc3 } 1. d4 f5 2. c4 Nf6 3. Nc3 *
[Apertura "Dutch with c4 & g3"]
[ECO "A86"]
{ Dutch with c4 & g3 } 1. d4 f5 2. c4 Nf6 3. g3 *
[Apertura "Dutch: Hort-Antoshin system"]
[ECO "A86"]
{ Dutch: Hort-Antoshin system } 1. d4 f5 2. c4 Nf6 3. g3 d6 4. Bg2 c6 5.
Nc3 Qc7 *
[Apertura "Dutch: Leningrad variation"]
[ECO "A86"]
{ Dutch: Leningrad variation } 1. d4 f5 2. c4 Nf6 3. g3 g6 *
[Apertura "Dutch: Leningrad, main variation"]
[ECO "A87"]
{ Dutch: Leningrad, main variation } 1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2
Bg7 5. Nf3 *
[Apertura "Dutch: Leningrad, main variation with "]
[ECO "A88"]
{ Dutch: Leningrad, main variation with c6 } 1. d4 f5 2. c4 Nf6 3. g3 g6
4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 c6 *
[Apertura "Dutch: Leningrad, main variation with "]
[ECO "A89"]
{ Dutch: Leningrad, main variation with Nc6 } 1. d4 f5 2. c4 Nf6 3. g3
g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 Nc6 *
[Apertura "Dutch defence"]
[ECO "A90"]
{ Dutch defence } 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 *
[Apertura "Dutch defence: Dutch-Indian (Nimzo-Dut"]
[ECO "A90"]
{ Dutch defence: Dutch-Indian (Nimzo-Dutch) variation } 1. d4 f5 2. c4
Nf6 3. g3 e6 4. Bg2 Bb4+ *
[Apertura "Dutch-Indian, Alekhine variation"]
[ECO "A90"]
{ Dutch-Indian, Alekhine variation } 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2
Bb4+ 5. Bd2 Be7 *
[Apertura "Dutch defence"]
[ECO "A91"]
{ Dutch defence } 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 *
[Apertura "Dutch defence"]
[ECO "A92"]
{ Dutch defence } 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O *
[Apertura "Dutch defence, Alekhine variation"]
[ECO "A92"]
{ Dutch defence, Alekhine variation } 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2
Be7 5. Nf3 O-O 6. O-O Ne4 *
[Apertura "Dutch: stonewall variation"]
[ECO "A92"]
{ Dutch: stonewall variation } 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5.
Nf3 O-O 6. O-O d5 *
[Apertura "Dutch: stonewall with Nc3"]
[ECO "A92"]
{ Dutch: stonewall with Nc3 } 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5.
Nf3 O-O 6. O-O d5 7. Nc3 *
[Apertura "Dutch: stonewall, Botwinnik variation"]
[ECO "A93"]
{ Dutch: stonewall, Botwinnik variation } 1. d4 f5 2. c4 Nf6 3. g3 e6 4.
Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 *
[Apertura "Dutch: stonewall with Ba3"]
[ECO "A94"]
{ Dutch: stonewall with Ba3 } 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5.
Nf3 O-O 6. O-O d5 7. b3 c6 8. Ba3 *
[Apertura "Dutch: stonewall with Nc3"]
[ECO "A95"]
{ Dutch: stonewall with Nc3 } 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5.
Nf3 O-O 6. O-O d5 7. Nc3 c6 *
[Apertura "Dutch: stonewall: Chekhover variation"]
[ECO "A95"]
{ Dutch: stonewall: Chekhover variation } 1. d4 f5 2. c4 Nf6 3. g3 e6 4.
Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 c6 8. Qc2 Qe8 9. Bg5 *
[Apertura "Dutch: classical variation"]
[ECO "A96"]
{ Dutch: classical variation } 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5.
Nf3 O-O 6. O-O d6 *
[Apertura "Dutch: Ilyin-Genevsky variation"]
[ECO "A97"]
{ Dutch: Ilyin-Genevsky variation } 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2
Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 *
[Apertura "Dutch: Ilyin-Genevsky, Winter variatio"]
[ECO "A97"]
{ Dutch: Ilyin-Genevsky, Winter variation } 1. d4 f5 2. c4 Nf6 3. g3 e6
4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. Re1 *
[Apertura "Dutch: Ilyin-Genevsky variation with Q"]
[ECO "A98"]
{ Dutch: Ilyin-Genevsky variation with Qc2 } 1. d4 f5 2. c4 Nf6 3. g3 e6
4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. Qc2 *
[Apertura "Dutch: Ilyin-Genevsky variation with b"]
[ECO "A99"]
{ Dutch: Ilyin-Genevsky variation with b3 } 1. d4 f5 2. c4 Nf6 3. g3 e6
4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. b3 *
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