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Guide

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 Eco B  Semi-Open Games:  Eco C  Open Games –  Eco D  Closed Games and Semi-Closed Games:  Eco E  Indian Defences

Eco Code A – Irregular Openings

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• A00 Irregular Openings    

• 1.a3, 1.c3, d3, e3, f3, g3, h3, g4, b4, Na3, Nc3, Nh3

• A01 Larsen’s Opening    

• 1. b3

• A02 Bird’s Opening    

• 1. f4

• A03 Bird’s Opening    

• 1. f4 d5

• A04 Réti Opening    

• 1. Nf3

• A05 Réti Opening    

• 1. Nf3 Nf6

• A06 Réti Opening   

• 1. Nf3 d5

• A07 Réti Opening King’s Indian Attack (Barcza System)    

• 1. Nf3 d5 2. g3

• A08 Réti Opening King’s Indian Attack    

• 1. Nf3 d5 2. g3 c5 3. Bg2

• A09 Réti Opening   

• 1. Nf3 d5 2. c4

• A10 English Opening    

• 1. c4

• A11 English, Caro–Kann defensive system    

• 1. c4 c6

• A12 English, Caro–Kann defensive system    

• 1. c4 c6 2. Nf3 d5 3. b3

• A13 English Opening    

• 1. c4 e6

• A14 English, Neo-Catalan declined    

• 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. 0-0

• A15 English, Anglo-Indian defence

• 1.c4 Nf6

• A16 English Opening 2. Nc3    

• 1. c4 Nf6 2. Nc3

• A17 English Opening, Hedgehog Defence   

• 1.c4 Nf6 2.Nc3 e6

• A18 English, Mikenas–Carls Variation   

• 1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5

• A19 English, Mikenas–Carls, Sicilian Variation    

• 1. c4 Nf6 2. Nc3 e6 3. e4 c5

• A20 English Opening   

• 1.c4 e5

• A21 English Opening 1. c4 e5 2. Nc3    

• 1. c4 e5 2. Nc3

• A22 English Opening 1. c4 e5 2. Nc3 Nf6    

• 1. c4 e5 2. Nc3 Nf6

• A23 English Opening, Bremen System, Keres Variation    

• 1.c4 e5 2.Nc3 Nf6 3.g3 c6

• A24 English Opening, Bremen System with . ..g6   

• 1.c4 e5 2.Nc3 Nf6 3.g3 g6

• A25 English Opening, Sicilian Reversed    

• 1. c4 e5 2. Nc3 Nc6

• A26 English Opening, Closed System    

• 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6

• A27 English Opening, Three Knights System   

• 1.c4 e5 2.Nc3 Nc6 3.Nf3

• A28 English Opening, Four Knights System   

• 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6

• A29 English Opening, Four Knights, Kingside Fianchetto    

• 1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3

• A30 English Opening, Symmetrical Defence   

• 1.c4 c5

• A31 English Opening, Symmetrical, Anti-Benoni formation   

• 1.c4 c5 2.Nf3 Nf6 3.d4

• A32 English Opening: Symmetrical Variation, Anti-Benoni Variation Spielmann Defence

• 1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6

• A33 English Opening, Symmetrical    

• 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nc6

• A34 English Opening, Symmetrical    

• 1. c4 c5 2.Nc3

• A35 English Opening, Symmetrical    

• 1. c4 c5 2.Nc3 Nc6

• A36 English Opening, Symmetrical    

• 1. c4 c5 2. Nc3 Nc6 3. g3

• A37 English Opening, Symmetrical    

• 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3

• A38 English Opening, Symmetrical    

• 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6

• A39 English Opening: Symmetrical Variation, Mecking Variation

• 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4

• A40 Queen’s Pawn Game (including English Defence, Englund Gambit)    

• 1. d4

• A41 Queen’s Pawn Game, Wade Defence    

• 1. d4 d6

• A42 Modern Defence, Averbakh System also Wade Defence    

• 1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4

• A43 Old Benoni Defence    

• 1.d4 c5

• A44 Old Benoni Defence    

• 1.d4 c5 2. d5 e5

• A45 Queen’s Pawn Game    

• 1. d4 Nf6

• A46 Queen’s Pawn Game, Torre Attack    

• 1. d4 Nf6 2. Nf3

• A47 Queen’s Indian Defence   

• 1.d4 Nf6 2.Nf3 b6

• A48 King’s Indian, East Indian Defence    

• 1. d4 Nf6 2. Nf3 g6

• A49 King’s Indian, Fianchetto without c4    

• 1. d4 Nf6 2. Nf3 g6 3. g3

• A50 Queen’s Pawn Game, Black Knights’ Tango    

• 1. d4 Nf6 2. c4

• A51 Budapest Gambit Declined   

• 1.d4 Nf6 2.c4 e5

• A52 Budapest Gambit    

• 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4

• A53 Old Indian Defence (Chigorin Indian Defence)    

• 1. d4 Nf6 2. c4 d6

• A54 Old Indian, Ukrainian Variation    

• 1. d4 Nf6 2. c4 d6 3. Nc3 e5

• A55 Old Indian, Main line    

• 1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4

• A56 Benoni Defence    

• 1. d4 Nf6 2. c4 c5

• A57 Benko Gambit    

• 1. d4 Nf6 2. c4 c5 3. d5 b5

• A58 Benko Gambit Accepted    

• 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6

• 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

• A60 Benoni Defence   

• 1.d4 Nf6 2.c4 c5 3.d5 e6

• A61 Benoni Defence    

• 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6

• 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

• A63 Benoni Defence: Fianchetto Variation, Hastings Defence

• 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

• A64 Benoni, Fianchetto Variation, Hastings Defence 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

• A65 Benoni Defence: King Pawn lines  

• 1. d4 Nf6 2 c4 c5 3 d5 e6 4 Nc3 exd5 5 cxd5 d6 6 e4

• 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 Bg7 8.e5

• 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+

• 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

• 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

• 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

• A71 Benoni Defence: Classical Variation, Averbakh-Grivas Attack

• 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bg5

• A72 Benoni, Classical without 9.0-0    

• 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2

• A73 Benoni Classical 9.0-0    

• 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

• A74 Benoni Defence: Classical Variation, Full line

• 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

• A75 Benoni Defence: Classical Variation, Argentine CounterAttack  

• 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

• A76 Benoni Defence: Classical Variation, Czerniak Defence

• 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

• A77 Benoni Defence: Classical Variation, Czerniak Defence Tal Line

• 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

• 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

• 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

• A80 Dutch Defence    

• 1.d4 f5 (all without 2. g3, 2.e4, 2.c4)

• A81 Dutch Defence    

• 1. d4 f5 2. g3

• A82 Dutch, Staunton Gambit including Balogh Defence    

• 1.d4 f5 2.e4

• A83 Dutch, Staunton Gambit, Staunton’s line    

• 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5

• A84 Dutch Defence    

• 1. d4 f5 2. c4

• A85 Dutch with 2.c4 and 3.Nc3    

• 1.d4 f5 2.c4 Nf6 3.Nc3

• A86 Dutch with 2.c4 and 3.g3    

• 1.d4 f5 2.c4 Nf6 3.g3

• A87 Dutch, Leningrad, Main Variation    

• 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3

• A88 Dutch Defence: Leningrad Variation, Warsaw Variation

• 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 c6

• A89 Dutch Defence: Leningrad Variation, Matulovic Variation

• 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 Nc6

• A90 Dutch Defence    

• 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2

• A91 Dutch Defence    

• 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7

• A92 Dutch Defence    

• 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O

• A93 Dutch, Stonewall, Botvinnik Variation    

• 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3

• 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

• 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

• A96 Dutch, Classical Variation    

• 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6

• 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

• A98 Dutch Defence: Classical Variation, Ilyin-Zhenevsky Variation Alatortsev-Lisitsyn Line

• 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

• A99 Dutch Defence: Classical Variation, Ilyin-Zhenevsky Variation Modern Main Line

• 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

 

 Eco B  Semi-Open Games:  Eco C  Open Games –  Eco D  Closed Games and Semi-Closed Games:  Eco E  Indian Defences