Blunderbase

English Opening

The English Opening starts 1. c4. The opening book names 126 variations of it, under ECO A10 to C20.

The main line, move by move

Starting position1 more to go

  1. 1

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All 126 English Opening variations

  • A10Achilles-Omega Gambit1. c4 Nf6 2. e4
  • A10Adorjan Defense1. c4 g6 2. e4 e5
  • A10Anglo-Dutch Defense1. c4 f5
  • A10Anglo-Dutch Defense, Hickmann Gambit1. c4 f5 2. e4
  • A10Anglo-Dutch Variation, Chabanon Gambit1. c4 f5 2. Nf3 d6 3. e4
  • A10Anglo-Dutch Variation, Ferenc Gambit1. c4 f5 2. Nc3 Nf6 3. e4
  • A10Anglo-Lithuanian Variation1. c4 Nc6
  • A10Anglo-Scandinavian Defense1. c4 d5
  • A10Anglo-Scandinavian Defense, Löhn Gambit1. c4 d5 2. cxd5 e6
  • A10Anglo-Scandinavian Defense, Malvinas Variation1. c4 d5 2. cxd5 Qxd5 3. Nc3 Qa5
  • A10Anglo-Scandinavian Defense, Schulz Gambit1. c4 d5 2. cxd5 Nf6
  • A10Great Snake Variation1. c4 g6
  • A10Jaenisch Gambit1. c4 b5
  • A10King's English Variation, Botvinnik System, Prickly Pawn Pass System1. 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
  • A10Myers Defense1. c4 g5
  • A10Myers Gambit1. c4 g5 2. d4 Bg7
  • A10Porcupine Variation1. c4 f5 2. Nc3 Nf6 3. e4 fxe4 4. g4
  • A10Wade Gambit1. c4 f5 2. g4
  • A10Zilbermints Gambit1. c4 g5 2. d4 e5
  • A11Caro-Kann Defensive System1. c4 c6
  • A13Agincourt Defense1. c4 e6 (also reached by 4 other move orders)
  • A13Agincourt Defense, Bogoljubow Defense1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bd6
  • A13Agincourt Defense, Catalan Defense1. c4 e6 2. Nf3 d5 3. g3 b6 4. Bg2 Bb7 5. O-O (also reached by 1 other move order)
  • A13Agincourt Defense, Catalan Defense Accepted1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4
  • A13Agincourt Defense, Catalan Defense, Semi-Slav Defense1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 c6
  • A13Agincourt Defense, Kurajica Defense1. c4 e6 2. Nf3 d5 3. g3 c6
  • A13Agincourt Defense, Tarrasch Defense1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 c5 5. b3 Nc6 6. O-O Be7
  • A13Agincourt Defense, Wimpy System1. c4 e6 2. Nf3 Nf6 3. b3 d5 4. Bb2 c5 5. e3
  • A13Neo-Catalan1. c4 e6 2. Nf3 d5 3. g3 Nf6
  • A13Neo-Catalan Declined1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7
  • A13Romanishin Gambit1. c4 Nf6 2. Nf3 e6 3. g3 a6 4. Bg2 b5
  • A14Agincourt Defense, Keres Defense1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O c5 6. cxd5 Nxd5 7. Nc3 Nc6
  • A14Agincourt Defense, Neo-Catalan Declined1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O (also reached by 5 other move orders)
  • A14Agincourt Defense, Neo-Catalan Declined, Early b31. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b3 (also reached by 2 other move orders)
  • A15Anglo-Indian Defense1. c4 Nf6 (also reached by 1 other move order)
  • A15Anglo-Indian Defense, Anti-Anti-Grünfeld1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. e4
  • A15Anglo-Indian Defense, Grünfeld Formation1. c4 Nf6 2. Nf3 g6 3. g3 d5
  • A15Anglo-Indian Defense, King's Indian Formation1. c4 Nf6 2. Nf3 g6
  • A15Anglo-Indian Defense, King's Indian Formation, Double Fianchetto1. c4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7
  • A15Anglo-Indian Defense, King's Knight Variation1. c4 Nf6 2. Nf3
  • A15Anglo-Indian Defense, Old Indian Formation1. c4 Nf6 2. Nf3 d6
  • A15Anglo-Indian Defense, Queen's Indian Formation1. c4 Nf6 2. Nf3 b6 (also reached by 2 other move orders)
  • A15Anglo-Indian Defense, Romanishin Variation1. c4 e6 2. Nf3 Nf6 3. g3 a6
  • A15Anglo-Indian Defense, Scandinavian Defense1. c4 Nf6 2. Nf3 d5
  • A15Anglo-Indian Defense, Scandinavian Defense, Exchange Variation1. c4 Nf6 2. Nf3 d5 3. cxd5 Nxd5
  • A15Anglo-Indian Defense, Slav Formation1. c4 Nf6 2. Nf3 g6 3. g3 c6
  • A16Anglo-Grünfeld Defense1. c4 Nf6 2. Nc3 d5
  • A16Anglo-Grünfeld Defense, Korchnoi Variation1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. g3 Bg7 6. Bg2 e5
  • A16Anglo-Indian Defense, Anglo-Grünfeld Variation1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 (also reached by 3 other move orders)
  • A16Anglo-Indian Defense, Queen's Knight Variation1. c4 Nf6 2. Nc3
  • A17Anglo-Indian Defense, Hedgehog System1. c4 Nf6 2. Nc3 e6
  • A17Anglo-Indian Defense, Nimzo-English1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4
  • A17Anglo-Indian Defense, Queen's Indian Variation1. c4 e6 2. Nc3 Nf6 3. Nf3 b6 4. e4 Bb7 5. Bd3
  • A17Anglo-Indian Defense, Zvjaginsev-Krasenkow Attack1. c4 e6 2. Nc3 Nf6 3. Nf3 Bb4 4. g4
  • A18Mikenas-Carls Variation1. c4 e6 2. Nc3 Nf6 3. e4 (also reached by 2 other move orders)
  • A19Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit1. c4 e6 2. Nc3 Nf6 3. e4 c5 4. e5 Ng8
  • A19Mikenas-Carls, Sicilian1. c4 e6 2. Nc3 Nf6 3. e4 c5
  • A20Drill Variation1. c4 e5 2. g3 h5
  • A20King's English Variation1. c4 e5 (also reached by 1 other move order)
  • A20King's English Variation, Kahiko-Hula Gambit1. c4 e5 2. e3 Nf6 3. f4 exf4 4. Nf3
  • A20King's English Variation, Nimzowitsch Variation1. c4 e5 2. Nf3
  • A20King's English Variation, Nimzowitsch-Flohr Variation1. c4 e5 2. Nf3 e4
  • A21King's English Variation, Keres Defense1. c4 e5 2. Nc3 d6 3. g3 c6
  • A21King's English Variation, Kramnik-Shirov Counterattack1. c4 e5 2. Nc3 Bb4
  • A21King's English Variation, Reversed Sicilian1. c4 e5 2. Nc3
  • A21King's English Variation, Smyslov Defense1. c4 e5 2. Nc3 d6 3. Nf3 Bg4
  • A21King's English Variation, Troger Defense1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6
  • A22Carls-Bremen System1. c4 e5 2. Nc3 Nf6 3. g3
  • A22King's English Variation, Adhiban Gambit1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 c6
  • A22King's English Variation, Bellon Gambit1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 b5
  • A22King's English Variation, Two Knights Variation1. c4 e5 2. Nc3 Nf6
  • A22King's English Variation, Two Knights Variation, Reversed Dragon1. c4 e5 2. Nc3 Nf6 3. g3 d5
  • A22King's English Variation, Two Knights Variation, Smyslov System1. c4 e5 2. Nc3 Nf6 3. g3 Bb4
  • A22King's English, Erbenheimer Gambit1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 Ng4
  • A22King's English, Mazedonisch1. c4 e5 2. Nc3 Nf6 3. f4
  • A23King's English Variation, Two Knights Variation, Keres Variation1. c4 e5 2. Nc3 Nf6 3. g3 c6 (also reached by 1 other move order)
  • A24King's English Variation, Two Knights Variation, Fianchetto Line1. c4 e5 2. Nc3 Nf6 3. g3 g6
  • A25Closed, Taimanov Variation1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Rb1 Nh6 5. Bg2 Bg7 (also reached by 1 other move order)
  • A25King's English Variation, Bremen-Hort Variation1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Be6
  • A25King's English Variation, Closed System1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3
  • A25King's English Variation, Hungarian Attack1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1
  • A25King's English Variation, Reversed Closed Sicilian1. c4 e5 2. Nc3 Nc6 (also reached by 4 other move orders)
  • A25King's English Variation, Taimanov Variation1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7
  • A26King's English Variation, Botvinnik System1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e4
  • A26King's English Variation, Closed System, Full Symmetry1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6
  • A27King's English Variation, Three Knights System1. c4 e5 2. Nc3 Nc6 3. Nf3
  • A28Four Knights System, Nimzowitsch Variation1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4
  • A28King's English Variation, Four Knights Variation1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 (also reached by 1 other move order)
  • A28King's English Variation, Four Knights Variation, Bradley Beach Variation1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4
  • A28King's English Variation, Four Knights Variation, Flexible Line1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3
  • A28King's English Variation, Four Knights Variation, Korchnoi Line1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3
  • A28King's English Variation, Four Knights Variation, Quiet Line1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 (also reached by 2 other move orders)
  • A29King's English Variation, Four Knights Variation, Fianchetto Line1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 (also reached by 5 other move orders)
  • A29King's English Variation, Four Knights Variation, Fianchetto Line, Delayed .. Nc61. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Re8 6. O-O e4 7. Nd4 Nc6
  • A29King's English Variation, Four Knights Variation, Fianchetto Line, with .. d61. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 (also reached by 1 other move order)
  • A29King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, Be71. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 d6 5. d3 Be7 6. Nf3 O-O
  • A29King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, a61. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 a6
  • A29King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, h61. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 h6
  • A29King's English Variation, Four Knights Variation, Fianchetto Line, with Bc51. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5
  • A29King's English Variation, Four Knights Variation, Fianchetto Line, with Nb61. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6
  • A30Symmetrical Variation1. c4 c5 (also reached by 3 other move orders)
  • A30Symmetrical Variation, Hedgehog Defense1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. g3 b6 5. Bg2 Bb7 6. O-O Be7
  • A30Symmetrical Variation, Napolitano Gambit1. c4 c5 2. Nf3 Nf6 3. b4
  • A30Symmetrical, Hedgehog, Flexible Formation1. c4 e6 2. Nf3 c5 3. Nc3 Nf6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. b3 Nbd7
  • A30Wing Gambit1. c4 c5 2. b4
  • A31Symmetrical Variation, Anti-Benoni Variation1. c4 Nf6 2. d4 c5 3. Nf3
  • A32Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense1. c4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf6 (also reached by 1 other move order)
  • A33Symmetrical Variation, Anti-Benoni Variation, Geller Variation1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. d4 Nc6 5. g3 cxd4 6. Nxd4 Qb6
  • A34Symmetrical Variation, Fianchetto Variation1. c4 Nf6 2. Nc3 c5 3. g3
  • A34Symmetrical Variation, Normal Variation1. c4 c5 2. Nc3
  • A34Symmetrical Variation, Rubinstein Variation1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 (also reached by 1 other move order)
  • A34Symmetrical Variation, Three Knights Variation1. c4 c5 2. Nc3 Nf6 3. Nf3
  • A35Symmetrical Variation, Four Knights Variation1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6
  • A35Symmetrical Variation, Four Knights Variation, Keres-Parma System1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 e6
  • A35Symmetrical Variation, Two Knights Variation1. c4 c5 2. Nc3 Nc6
  • A36Symmetrical Variation, Botvinnik System1. c4 c5 2. e4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2
  • A36Symmetrical Variation, Botvinnik System Reversed, with e31. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e5
  • A36Symmetrical Variation, Two Knights, Fianchetto Variation1. c4 c5 2. Nc3 Nc6 3. g3
  • A36Symmetrical Variation, Ultra-Symmetrical Variation1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6
  • A37Symmetrical Variation, Botvinnik System Reversed, with Nf31. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 (also reached by 5 other move orders)
  • A37Symmetrical Variation, Three Knights, Fianchetto Variation1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 (also reached by 2 other move orders)
  • A38Symmetrical Variation, Double Fianchetto1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. b3
  • A38Symmetrical Variation, Duchamp Variation1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. Nc3 Nc6 7. d3
  • A38Symmetrical Variation, Full Symmetry Line1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7
  • A39Symmetrical Variation, Mecking Variation1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4
  • C20The Whale1. e4 e5 2. c4

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