List of chess openings

A – Flank openings.  

White first moves other than 1.e4, 1.d4 (A00–A39)
1.d4 without 1...d5, 1...Nf6 or 1...f5: Atypical replies to 1.d4 (A40–A44)
1.d4 Nf6 without 2.c4: Atypical replies to 1...Nf6 (A45–A49)
1.d4 Nf6 2.c4 without 2...e6 or 2...g6: Atypical Indian systems (A50–A79)
1.d4 f5: Dutch Defence (A80–A99)

A00–A39

d4:

A00 Irregular Openings
Anderssen's Opening: 1.a3
Anderssen's Opening, Polish Gambit: 1...a5 2.b4
Bugayev Attack 2...e5
Anderssen's Opening, Creepy Crawly Formation: 1...e5 2.h3 d5
Anderssen's Opening, Andersspike: 1...g6 2.g4
Ware Opening: 1.a4
Ware Opening, Wing Gambit: 1...b5 2.axb5 Bb7
Ware Opening, Ware Gambit: 1...e5 2.a5 d5 3.e3 f5 4.a6
Ware Opening, Crab Variation: 1...e5 2.h4
Durkin Opening: 1.Na3
Sodium Attack, Durkin Gambit: 1...e5 2.Nc4 Nc6 3. e4 f5
Sokolsky Opening: 1.b4
Sokolsky Opening, Birmingham Gambit: 1...c5
Sokolsky Opening, Outflank Variation: 1...c6
Sokolsky Opening, Schuhler Gambit: 1...c6 2.Bb2 a5 3.b5 cxb5 4.e4
Sokolsky Opening, Myers Variation: 1...d5 2.Bb2 c6 3.a4
Sokolsky Opening, Bugayev Attack: 1...e5 2.a3
Sokolsky Opening, Wolferts Gambit: 1...e5 2.Bb2 c5
Saragossa Opening: 1.c3
Van Geet Opening: 1.Nc3
Van 't Kruijs Opening: 1.e3
Mieses Opening: 1.d3
Barnes Opening: 1.f3
Barnes Opening, Hammerschlag Variation: 1...e5 2.Kf2
Benko's Opening: 1.g3
Myers Defense 1...g5 [1]
Grob's Attack: 1.g4Coca-Cola Gambit:1...g5 2.f4
Alessi Gambit: 1...f5
Clemenz Opening: 1.h3
Desprez Opening: 1.h4
Amar Opening: 1.Nh3
A01 Larsen's Opening: 1.b3
Modern variation: 1...e5
Classical variation: 1...d5
Indian variation: 1...Nf6
Symmetrical variation: 1...b6
English variation: 1...c5
Polish variation: 1...b5
Dutch variation: 1...f5
A02 Bird's Opening: 1.f4 (Dutch Attack, without: 1...d5, 1...g6 2.e4, 1...Nf6 2.d4, 1...e5 2.e4, 1...c5 2.e4, 1...d6 2.e4)
From's Gambit: 1...e5 (without: 2.e4)
Symmetrical variation: 1...f5
A03 Bird's Opening, Dutch Variation: 1...d5 (without: 2.d4)
Mujannah-Sturm Gambit: 2.c4
Lasker variation: 2.e3
Williams Gambit: 2.e4
A04 Réti Opening: 1.Nf3 (without: 1...Nf6, 1...d5, 1...c6 2.c4, 1...c6 2.d4, 1...c6 2.e4, 1...c6 2.g3 d5, 1...f5 2.c4, 1...f5 2.d4, 1...f5 2.e4 e5, 1...g6 2.c4, 1...g6 2.d4, 1...c5 2.c4, 1...c5 2.e4, 1...Nc6 2.e4, 1...e6 2.c4, 1...e6 2.d4, 1...e6 2.e4, 1...d6 2.c4, 1...d6 2.d4, 1...d6 2.e4, 1...b6 2.c4, 1...e5 2.e4, 1...a6 2.e4 e5)
A05 Réti Opening: 1...Nf6 (without: 2.c4, 2.d4, 2.Nc3, 2.g3 d5 2.d3 d5)
Santassiere's Folly: 2.b4
Nimzowitsch–Larsen Attack: 2.b3
A06 Réti Opening: 1...d5
A07 Réti Opening, King's Indian Attack (Barcza System): 1...d5 2.g3
Keres variation: 2...Bg4
Yugoslav variation: 2...c6
A08 Réti Opening, King's Indian Attack: 1...d5 2.g3 c5 3.Bg2
A09 Réti Opening: 1...d5 2.c4 (without: 2...c6, 2...e6)
Advance variation: 2...d4
Accepted: 2...dxc4
A10 English Opening: 1.c4 (without: 1...e5, 1...c5, 1...e6, 1...c6, 1...Nf6, 1...g6 2.d4, 1...f5 2.d4, 1...b6 2.d4, 1...d6 2.e4, 1...d6 2.d4, 1...Nc6 2.d4)
English Anglo-Dutch: 1...f5
English Vector: 1...d5
English, Jaenisch Gambit: 1...b5
A11 English, Caro–Kann defensive system, 1...c6 (without: 2.e4, 2.d4)
A12 English, Caro–Kann defensive system, 1...c6 2.Nf3 d5 3.b3
English Bogoljubov variation: 3...Bg4
English London Defence: 3...Nf6 4.g3 Bf5
A13 English Opening: 1...e6 (without: 2.e4, 2.d4)
A14 English, Neo-Catalan declined: 1...e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7
A15 English, Anglo-Indian Defence: 1...Nf6 (without: 2.Nc3, 2.d4, 2.g3 c6, 2.g3 e5, 2.Nf3 c5, 2.Nf3 e6, 2.Nf3 c6)
A16 English Opening, Anglo-Indian Defence: 1...Nf6 2.Nc3 (without: 2...c5, 2...e5, 2...e6)
Anglo-Grünfeld: 2...d5
A17 English Opening, Hedgehog Defence, 1...Nf6 2.Nc3 e6 (without: 3.e4, 3.d4, 3.Nf3 c5, 3...d5 4.d4, 3...b5 4.d4, 3...Bb4 4.d4)
A18 English, Mikenas–Carls Variation: 1...Nf6 2.Nc3 e6 3.e4 (without: 3...c5)
A19 English, Mikenas–Carls, Sicilian Variation: 1...Nf6 2.Nc3 e6 3.e4 c5
A20 English Opening: 1...e5 (without: 2.e4, 2.Nc3, 2.Nf3 Nc6 3.Nc3, 2.Nf3 Nf6 3.Nc3, 2.Nf3 d6 3.Nc3)
A21 English Opening: 1...e5 2.Nc3 (without: 2...Nf6, 2...Nc6, 2...Bb4 3.g3 Nf6, 2...Bb4 3.Nf3 Nc6 2...Bb4 3.e3 Nf6)
A22 English Opening: 1...e5 2.Nc3 Nf6 (without: 3.Nf3 Nc6, 3.e3 Nc6, 3.g3 Nc6, 3.g3 c6, 3.g3 g6, 3.e4 Nc6 4.Nf3)
A23 English Opening, Bremen System, Keres Variation: 1...e5 2.Nc3 Nf6 3.g3 c6
A24 English Opening, Bremen System with 1...e5 2.Nc3 Nf6 3.g3 g6 (without: 4.Bg2 Bg7 5.d3 d6)
A25 English Opening, Sicilian Reversed: 1...e5 2 Nc3 Nc6 (without 3.Nf3, 3.g3 Nf6 4.Nf3, 3.e3 Nf6 4.Nf3)
A26 English Opening, Closed System; 1...e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6
Botvinnik System: 6.e4
A27 English Opening, Three Knights System: 1...e5 2.Nc3 Nc6 3.Nf3 (without: 3...Nf6)
A28 English Opening, Four Knights System: 1...e5 2.Nc3 Nc6 3.Nf3 Nf6 (without 4.g3)
A29 English Opening, Four Knights, Kingside Fianchetto: 1...e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3
A30 English Opening, Symmetrical defence: 1.c4 c5 (without: 2.Nc3, 2.e4, 2.g3 g6 3.Nc3, 2.g3 Nc6 3.Nc3, 2.Nf3 Nc6 3.Nc3, 2.e3 Nf6 4.d4)
A31 English Opening, Symmetrical, Benoni formation: 1...c5 2.Nf3 Nf6 3.d4 (without: 3...cxd4 4.Nxd4 e6, 3...cxd4 4.Nxd4 a6 5.Nc3 e6, 3...cxd4 4.Nxd4 Nc6 5.Nc3 e6)
A32 English Opening, Symmetrical: 1...c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 (without: 5.Nc3 Nc6)
A33 English Opening, Symmetrical: 1...c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6
Geller variation: 6.g3 Qb6
A34 English Opening, Symmetrical: 1...c5 2.Nc3 (without 2...Nc6, 2...Nf6 3.Nf3 Nc6, 2...Nf6 3.e4 e6, 2...e6 3.Nf3 Nf6, 4.g3 Nc6)
A35 English Opening, Symmetrical: 1...c5 2.Nc3 Nc6 (without 3.g3, 3.e4, 3.Nf3 Nf6, 4.g3 e6, 3.Nf3 Nf6 4.d4 cxd4 5.Nxd4, 3.Nf3 e5 4.g3 g6 5.Bg2 Bg7)
Four Knights: 3.e3 Nf6 4.Nf3
A36 English Opening, Symmetrical: 1...c5 2.Nc3 Nc6 3.g3 (without: 3...g6 4.Bg2 Bg7 5.Nf3 (A37–A39), 3...g6 4.Bg2 Bg7 5.Rb1 Nf6 6.d3 0-0 7.Nf3 d6 8.0-0 (A38))
A37 English Opening, Symmetrical: 1...c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 (without: 5...Nf6 (A38–A39))
A38 English Opening, Symmetrical: 1...c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 (without: 6.0-0 0-0 7.d4 (A39) and 6.d4 cxd4 7.Nxd4 0-0 (A39))
A39 English Opening, Symmetrical, Main line with 1...c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.0-0 0-0 7.d4 or 1...c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.d4 cxd4 7.Nxd4 0-0 8.0-0

A40–A44

1.d4 without 1...d5, 1...Nf6 or 1...f5: Atypical replies to 1.d4

A40 Queen's Pawn Game (including English Defence, Englund Gambit, Queen's Knight Defence, Polish Defence and Keres Defence)
A41 Queen's Pawn Game, Wade Defence
A42 Modern Defence, Averbakh System also Wade Defence
A43 Old Benoni Defence
A44 Old Benoni Defence

A45–A49

1.d4 Nf6 without 2.c4: Atypical replies to 1...Nf6

A45 Queen's Pawn Game, Trompowsky Attack
A46 Queen's Pawn Game, Torre Attack
A47 Queen's Indian Defence
A48 King's Indian, East Indian Defence
A49 King's Indian, Fianchetto without c4

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