ECO A10
20 named openings and variations are classified as A10. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- English OpeningA101. c4
- English Opening: Achilles-Omega GambitA101. c4 Nf6 2. e4
- English Opening: Adorjan DefenseA101. c4 g6 2. e4 e5
- English Opening: Anglo-Dutch DefenseA101. c4 f5
- English Opening: Anglo-Dutch Defense, Hickmann GambitA101. c4 f5 2. e4
- English Opening: Anglo-Dutch Variation, Chabanon GambitA101. c4 f5 2. Nf3 d6 3. e4
- English Opening: Anglo-Dutch Variation, Ferenc GambitA101. c4 f5 2. Nc3 Nf6 3. e4
- English Opening: Anglo-Lithuanian VariationA101. c4 Nc6
- English Opening: Anglo-Scandinavian DefenseA101. c4 d5
- English Opening: Anglo-Scandinavian Defense, Löhn GambitA101. c4 d5 2. cxd5 e6
- English Opening: Anglo-Scandinavian Defense, Malvinas VariationA101. c4 d5 2. cxd5 Qxd5 3. Nc3 Qa5
- English Opening: Anglo-Scandinavian Defense, Schulz GambitA101. c4 d5 2. cxd5 Nf6
- English Opening: Great Snake VariationA101. c4 g6
- English Opening: Jaenisch GambitA101. c4 b5
- English Opening: King's English Variation, Botvinnik System, Prickly Pawn Pass SystemA101. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. e4 d6 6. Nge2 e5 7. O-O c6 8. d3 a6
- English Opening: Myers DefenseA101. c4 g5
- English Opening: Myers GambitA101. c4 g5 2. d4 Bg7
- English Opening: Porcupine VariationA101. c4 f5 2. Nc3 Nf6 3. e4 fxe4 4. g4
- English Opening: Wade GambitA101. c4 f5 2. g4
- English Opening: Zilbermints GambitA101. c4 g5 2. d4 e5