SÉRIE A (A00-A99) – Ouvertures irrégulières
rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq – 0 1
├── A00 - 1. a3 (3) ├── A00 - 1. g3 e5 2. Nf3 Nc6 3. d4 e4 4. Ne5 Nce7 - Hungarian Opening: Reversed Alekhine (1) ├── A00 - 1. g3 Nf6 2. Bg2 d5 (1) ├── A00 1. xxxx (2) ├── A01 - 1. b3 - Nimzo-Larsen Attack (9) ├── A02 - A03 1. f4 Bird's opening (1) ├── A04 - A09 1. Nf3 Opening Reti (154) ├── A10-A39 English Opening (223) ├── A12 - 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4.... - Réti Opening (0) ├── A16 - 1. c4 Nf6 2. Nc3 - English Opening: Anglo-Indian Defense, Queen's Knight Variation (1) ├── A16 - 1. c4 Nf6 2. Nc3 d5 - English Opening: Anglo-Grünfeld Defense (2) ├── A16 - 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 - English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation (0) ├── A16 - 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 - English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation (0) ├── A16 - 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 - English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation (0) ├── A16 - 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 - English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation (1) ├── A16 - 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. g3 Bg7 6. Bg2 e5 - English Opening: Anglo-Grünfeld Defense, Korchnoi Variation (0) ├── A23 - 1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 - English Opening: King's English Variation, Two Knights Variation, Keres Variation (1) ├── A40 - A49 1. d4 (84) ├── A50 - A59 1. d4 Nf6 2. c4 (13) ├── A60 - 1. d4 Nf6 2. c4 c5 3. d5 e6 - Benoni Defense (0) ├── A60-A79 1. d4 Nf6 2. c4 c6 3. d5 e6 Modern Benoni Defense (3) ├── A61 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. h3 - Benoni Defense (1) ├── A61 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4.... - Benoni Defense (0) ├── A63 - 1. d4 Nf6 2. c4 e6 3. g3 c5 4.... - Benoni Defense (0) ├── A64 - 1. d4 Nf6 2. c4 e6 3. g3 c5 4.... - Benoni Defense (0) ├── A65 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 - Benoni Defense: King's Pawn Line (0) ├── A65 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Nge2 - Benoni Defense: King's Pawn Line, with Nge2 (1) ├── A67 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0) ├── A68 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0) ├── A69 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0) ├── A70 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4.... - Benoni Defense (0) ├── A71 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4.... - Benoni Defense (0) ├── A72 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0) ├── A73 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0) ├── A74 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0) ├── A75 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4.... - Benoni Defense (1) ├── A76 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0) ├── A77 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0) ├── A78 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4.... - Benoni Defense (0) ├── A79 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0) ├── A80 - 1. d4 f5 - Dutch Defense (0) ├── A81 - 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4.... - Dutch Defense (1) ├── A82 - 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4.... - Dutch Defense (0) ├── A83 - 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4.... - Dutch Defense (0) ├── A84 - 1. d4 f5 2. c4 - Dutch Defense (1) ├── A85 - 1. d4 f5 2. c4 Nf6 3. Nc3 - Dutch Defense (0) ├── A86 - 1. d4 f5 2. c4 Nf6 3. g3 - Dutch Defense (0) ├── A87 - 1. d4 f5 2. c4 Nf6 3. g3 g6 4.... - Dutch Defense (0) ├── A88 - 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4.... - Dutch Defense (0) ├── A89 - 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4.... - Dutch Defense (0) ├── A90 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 - Dutch Defense: Classical Variation (2) ├── A90 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense (0) ├── A91 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense (0) ├── A92 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense (0) ├── A93 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense (0) ├── A94 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense (0) ├── A95 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 c6 - Dutch Defense: Stonewall Variation (0) ├── A96 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 - Dutch Defense: Classical Variation (0) ├── A97 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 - Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation (0) ├── A98 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense (0) └── A99 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense (0)
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A00 - 1. a3 (3)
Anderssen's Opening -
A00 - 1. g3 e5 2. Nf3 Nc6 3. d4 e4 4. Ne5 Nce7 - Hungarian Opening: Reversed Alekhine (1)
Hungarian Opening: Reversed Alekhine -
A00 - 1. g3 Nf6 2. Bg2 d5 (1)
Hungarian Opening: Indian Defense -
A01 - 1. b3 - Nimzo-Larsen Attack (9)
Code ECO A01 - Nimzo-Larsen Attack Coups: 1. b3 -
A16 - 1. c4 Nf6 2. Nc3 - English Opening: Anglo-Indian Defense, Queen's Knight Variation (1)
English Opening: Anglo-Indian Defense, Queen's Knight Variation Coups: 1. c4 Nf6 2. Nc3 -
A16 - 1. c4 Nf6 2. Nc3 d5 - English Opening: Anglo-Grünfeld Defense (2)
English Opening: Anglo-Grünfeld Defense Coups: 1. c4 Nf6 2. Nc3 d5 -
A16 - 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 - English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation (1)
English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation Coups: 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 -
A75 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4.... - Benoni Defense (1)
Code ECO A75 - Benoni Defense Coups: 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O a6 10. a4 Bg4 -
A81 - 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4.... - Dutch Defense (1)
Code ECO A81 - Dutch Defense Coups: 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nh3 -
A84 - 1. d4 f5 2. c4 - Dutch Defense (1)
Code ECO A84 - Dutch Defense Coups: 1. d4 f5 2. c4 -
A90 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 - Dutch Defense: Classical Variation (2)
Dutch Defense: Classical Variation (A90) Coups: 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2





















