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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
Click on Notation to Play the Openings Rated
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A00 Irregular Openings
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1.a3, 1.c3, d3, e3, f3, g3, h3, g4, b4, Na3, Nc3, Nh3
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A01 Larsen’s Opening
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1. b3
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A02 Bird’s Opening
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1. f4
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A03 Bird’s Opening
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1. f4 d5
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A04 Réti Opening
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1. Nf3
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A05 Réti Opening
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1. Nf3 Nf6
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A06 Réti Opening
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1. Nf3 d5
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A07 Réti Opening King’s Indian Attack (Barcza System)
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1. Nf3 d5 2. g3
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A08 Réti Opening King’s Indian Attack
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1. Nf3 d5 2. g3 c5 3. Bg2
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A09 Réti Opening
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1. Nf3 d5 2. c4
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A10 English Opening
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1. c4
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A11 English, Caro–Kann defensive system
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1. c4 c6
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A12 English, Caro–Kann defensive system
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1. c4 c6 2. Nf3 d5 3. b3
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A13 English Opening
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1. c4 e6
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A14 English, Neo-Catalan declined
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1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. 0-0
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A15 English, Anglo-Indian defence
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1.c4 Nf6
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A16 English Opening 2. Nc3
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1. c4 Nf6 2. Nc3
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A17 English Opening, Hedgehog Defence
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1.c4 Nf6 2.Nc3 e6
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A18 English, Mikenas–Carls Variation
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1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5
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A19 English, Mikenas–Carls, Sicilian Variation
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1. c4 Nf6 2. Nc3 e6 3. e4 c5
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A20 English Opening
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1.c4 e5
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A21 English Opening 1. c4 e5 2. Nc3
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1. c4 e5 2. Nc3
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A22 English Opening 1. c4 e5 2. Nc3 Nf6
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1. c4 e5 2. Nc3 Nf6
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A23 English Opening, Bremen System, Keres Variation
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1.c4 e5 2.Nc3 Nf6 3.g3 c6
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A24 English Opening, Bremen System with . ..g6
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1.c4 e5 2.Nc3 Nf6 3.g3 g6
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A25 English Opening, Sicilian Reversed
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1. c4 e5 2. Nc3 Nc6
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A26 English Opening, Closed System
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1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6
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A27 English Opening, Three Knights System
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1.c4 e5 2.Nc3 Nc6 3.Nf3
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A28 English Opening, Four Knights System
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1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6
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A29 English Opening, Four Knights, Kingside Fianchetto
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1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3
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A30 English Opening, Symmetrical Defence
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1.c4 c5
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A31 English Opening, Symmetrical, Anti-Benoni formation
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1.c4 c5 2.Nf3 Nf6 3.d4
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A32 English Opening: Symmetrical Variation, Anti-Benoni Variation Spielmann Defence
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1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6
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A33 English Opening, Symmetrical
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1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nc6
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A34 English Opening, Symmetrical
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1. c4 c5 2.Nc3
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A35 English Opening, Symmetrical
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1. c4 c5 2.Nc3 Nc6
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A36 English Opening, Symmetrical
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1. c4 c5 2. Nc3 Nc6 3. g3
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A37 English Opening, Symmetrical
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1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3
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A38 English Opening, Symmetrical
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1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6
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A39 English Opening: Symmetrical Variation, Mecking Variation
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1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4
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A40 Queen’s Pawn Game (including English Defence, Englund Gambit)
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1. d4
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A41 Queen’s Pawn Game, Wade Defence
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1. d4 d6
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A42 Modern Defence, Averbakh System also Wade Defence
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1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4
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A43 Old Benoni Defence
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1.d4 c5
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A44 Old Benoni Defence
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1.d4 c5 2. d5 e5
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A45 Queen’s Pawn Game
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1. d4 Nf6
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A46 Queen’s Pawn Game, Torre Attack
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1. d4 Nf6 2. Nf3
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A47 Queen’s Indian Defence
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1.d4 Nf6 2.Nf3 b6
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A48 King’s Indian, East Indian Defence
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1. d4 Nf6 2. Nf3 g6
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A49 King’s Indian, Fianchetto without c4
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1. d4 Nf6 2. Nf3 g6 3. g3
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A50 Queen’s Pawn Game, Black Knights’ Tango
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1. d4 Nf6 2. c4
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A51 Budapest Gambit Declined
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1.d4 Nf6 2.c4 e5
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A52 Budapest Gambit
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1. d4 Nf6 2. c4 e5 3. dxe5 Ng4
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A53 Old Indian Defence (Chigorin Indian Defence)
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1. d4 Nf6 2. c4 d6
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A54 Old Indian, Ukrainian Variation
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1. d4 Nf6 2. c4 d6 3. Nc3 e5
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A55 Old Indian, Main line
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1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4
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A56 Benoni Defence
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1. d4 Nf6 2. c4 c5
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A57 Benko Gambit
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1. d4 Nf6 2. c4 c5 3. d5 b5
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A58 Benko Gambit Accepted
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1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6
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A59 Benko Gambit 7.e4
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1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4
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A60 Benoni Defence
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1.d4 Nf6 2.c4 c5 3.d5 e6
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A61 Benoni Defence
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1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6
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A62 Benoni, Fianchetto Variation
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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
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A63 Benoni Defence: Fianchetto Variation, Hastings Defence
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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
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A64 Benoni, Fianchetto Variation, Hastings Defence 11…Re8
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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
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A65 Benoni Defence: King Pawn lines
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1. d4 Nf6 2 c4 c5 3 d5 e6 4 Nc3 exd5 5 cxd5 d6 6 e4
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A66 Benoni, Pawn Storm Variation
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1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.e5
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A67 Benoni, Taimanov Variation
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1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+
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A68 Benoni, Four Pawns Attack
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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
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A69 Benoni, Four Pawns Attack, Main line
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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
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A70 Benoni, Classical with e4 and Nf3
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1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3
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A71 Benoni Defence: Classical Variation, Averbakh-Grivas Attack
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1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bg5
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A72 Benoni, Classical without 9.0-0
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1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2
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A73 Benoni Classical 9.0-0
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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
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A74 Benoni Defence: Classical Variation, Full line
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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
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A75 Benoni Defence: Classical Variation, Argentine CounterAttack
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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
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A76 Benoni Defence: Classical Variation, Czerniak Defence
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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
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A77 Benoni Defence: Classical Variation, Czerniak Defence Tal Line
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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
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A78 Benoni, Classical with …Re8 and …Na6
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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
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A79 Benoni, Classical, 11.f3
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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
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A80 Dutch Defence
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1.d4 f5 (all without 2. g3, 2.e4, 2.c4)
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A81 Dutch Defence
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1. d4 f5 2. g3
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A82 Dutch, Staunton Gambit including Balogh Defence
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1.d4 f5 2.e4
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A83 Dutch, Staunton Gambit, Staunton’s line
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1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5
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A84 Dutch Defence
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1. d4 f5 2. c4
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A85 Dutch with 2.c4 and 3.Nc3
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1.d4 f5 2.c4 Nf6 3.Nc3
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A86 Dutch with 2.c4 and 3.g3
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1.d4 f5 2.c4 Nf6 3.g3
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A87 Dutch, Leningrad, Main Variation
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1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3
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A88 Dutch Defence: Leningrad Variation, Warsaw Variation
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1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 c6
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A89 Dutch Defence: Leningrad Variation, Matulovic Variation
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1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 Nc6
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A90 Dutch Defence
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1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2
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A91 Dutch Defence
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1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7
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A92 Dutch Defence
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1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O
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A93 Dutch, Stonewall, Botvinnik Variation
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1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3
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A94 Dutch, Stonewall with Ba3
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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
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A95 Dutch, Stonewall with Nc3
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1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.Nc3 c6
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A96 Dutch, Classical Variation
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1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6
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A97 Dutch, Ilyin–Genevsky Variation
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1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8
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A98 Dutch Defence: Classical Variation, Ilyin-Zhenevsky Variation Alatortsev-Lisitsyn Line
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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
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A99 Dutch Defence: Classical Variation, Ilyin-Zhenevsky Variation Modern Main Line
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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