Chess Openings and Variations
| Classic Openings - E | ||
| Opening Name | Variation | Date Added |
| English Opening 1. c4 | 27 August 2001 | |
| English Opening | English Opening 1. c4 e6 1. c4 e6 | 15 October 2001 |
| English Opening | English Defense 1. c4 b6 2. d4 e6 | 27 August 2001 |
| English Opening | Accelerated Fianchetto Variation 1. c4 e5 2. g3 | 17 September 2001 |
| English Opening | Agincourt Variation 2.Nf3 d5 3.g3 2. Nf3 d5 3. g3 | 15 October 2001 |
| English Opening | Anglo-Dutch Defense 1. c4 f5 | 29 October 2001 |
| English Opening | Anglo-Dutch Defense - Hickmann Gambit 2. e4 | 29 October 2001 |
| English Opening | Anglo-Dutch Def - Klotschkov Gambit 2. Nc3 Nf6 3. e4 fxe4 4. d3 | 29 October 2001 |
| English Opening | Anglo-Dutch Defense - Wade Gambit 2. g4 fxg4 | 29 October 2001 |
| English Opening | Anglo-Grunfeld Defense 1. c4 Nf6 2. Nc3 d5 | 05 November 2001 |
| English Opening | Anglo-Grunfeld Def - Czech Defense 4. g3 g6 5. Bg2 Nb6 | 05 November 2001 |
| English Opening | Anglo-Grunfeld Def - Exchange Variation 3. cxd5 Nxd5 4. Nf3 | 05 November 2001 |
| English Opening | Anglo-Grunfeld - Exchange - Korchnoi Variation 5. g3 Bg7 6. Bg2 e5 | 05 November 2001 |
| English Opening | Anglo-Grunfeld Def - Smyslov Defense 4. g3 g6 5. Bg2 Nxc3 | 05 November 2001 |
| English Opening | Anglo-Indian Defense 1. c4 Nf6 | 05 November 2001 |
| English Opening | Bellon Gambit 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 b5 | 08 October 2001 |
| English Opening | Bremen 1.c4 e5 1. c4 e5 | 17 September 2001 |
| English Opening | Bremen 1.c4 e5 2.Nc3 Nf6 3.g3 g6 2. Nc3 Nf6 3. g3 g6 | 08 October 2001 |
| English Opening | Caro Defense 1. c4 c6 | 10 September 2001 |
| English Opening | Caro Defense - Bled Variation 2. Nf3 d5 3. b3 Nf6 4. Bb2 g6 | 10 September 2001 |
| English Opening | Caro Defense - Bogoljubow Variation 2. Nf3 d5 3. b3 g4 | 10 September 2001 |
| English Opening | Caro Def - Capablanca's Variation 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bg4 | 10 September 2001 |
| English Opening | Caro Def - CK Def System 4.Bb2 2. Nf3 d5 3. b3 Nf6 4. Bb2 | 10 September 2001 |
| English Opening | Caro Def - London Defensive System 2. Nf3 d5 3. b3 Nf6 4. g3 Bf5 | 10 September 2001 |
| English Opening | Caro Def - New York System 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bf5 | 10 September 2001 |
| English Opening | Caro Def - Torre System 2. Nf3 d5 3. b3 Nf6 4. g3 Bg4 | 10 September 2001 |
| English Opening | Great Snake Variation 1. c4 g6 | 29 October 2001 |
| English Opening | Great Snake Variation - Adorjan Defense 2. e4 e5 | 29 October 2001 |
| English Opening | Hedgehog System 1. c4 Nf6 2. Nc3 e6 | 22 October 2001 |
| English Opening | Hedgehog System - Mikenas Variation 2. Nc3 e6 3. e4 | 22 October 2001 |
| English Opening | Hedgehog - Mikenas Variation - Flohr Variation 3. e4 d5 4. e5 | 22 October 2001 |
| English Opening | Hedgehog - Mikenas Variation - Kevitz Variation 3. e4 Nc6 | 22 October 2001 |
| English Opening | Hedgehog - Mikenas Variation - Sicilian Variation 3. e4 c5 | 22 October 2001 |
| English Opening | Hedgehog System - Nimzo-English Opening 3. Nf3 Bb4 | 22 October 2001 |
| English Opening | Hedgehog System - Queen's Indian Formation 3. Nf3 b6 | 22 October 2001 |
| English Opening | Hedgehog - QI Formation - Romanishin Variation 4. e4 Bb7 5. Bd3 | 22 October 2001 |
| English Opening | Jaenisch Gambit 1. c4 b5 | 27 August 2001 |
| English Opening | King's Knight Variation 1. c4 Nf6 2. Nf3 | 29 October 2001 |
| English Opening | Kurajica Defense 2. Nf3 d5 3. g3 c6 | 15 October 2001 |
| English Opening | Neo-Catalan 2. Nf3 d5 3. g3 Nf6 | 15 October 2001 |
| English Opening | Neo-Catalan - Accepted 4. Bg2 dxc4 | 15 October 2001 |
| English Opening | Neo-Catalan - Declined 4. Bg2 Be7 5. 0-0 | 15 October 2001 |
| English Opening | Neo-Catalan - Declined - Keres Defense 6. cxd5 Nxd5 7. Nc3 Nc6 | 15 October 2001 |
| English Opening | Nimzowitsch Variation 2. Nf3 | 08 October 2001 |
| English Opening | Nimzowitsch Variation - Nimzowitsch-Flohr Variation 2. Nf3 e4 | 08 October 2001 |
| English Opening | Orang-Utan Variation 1. c4 Nf6 2. b4 | 05 November 2001 |
| English Opening | Queen's Knight Variation 1. c4 Nf6 2. Nc3 | 05 November 2001 |
| English Opening | Reversed Closed Sicilian 1. c4 e5 2. Nc3 Nc6 | 24 September 2001 |
| English Opening | Rev Closed Sic - Taimanov Variation 3. g3 g6 4. Bg2 Bg7 | 24 September 2001 |
| English Opening | Rev Closed Sic - Taimanov - Botvinnik System 5. d3 d6 6. e4 | 24 September 2001 |
| English Opening | Rev Closed Sic - Taimanov - Bremen 4. Bg2 Bg7 5. Rb1 | 24 September 2001 |
| English Opening | Rev Closed Sic - Taimanov - Closed System 5.d3 d6 5. d3 d6 | 24 September 2001 |
| English Opening | Rev Closed Sic - Taimanov - Hort Variation 5. e3 d6 6. Nge2 Be6 | 24 September 2001 |
| English Opening | Rev Closed Sicilian - Three Knights System 3. Nf3 | 01 October 2001 |
| English Opening | Rev Closed Sicilian - Four Knights Variation 3. Nf3 Nf6 | 01 October 2001 |
| English Opening | Rev Closed Sic - 4 Knights - Four Knights 4.e3 3. Nf3 Nf6 4. e3 | 01 October 2001 |
| English Opening | Rev Closed Sic - 4 Knights - Bradley Beach Variation 4. d4 e4 | 01 October 2001 |
| English Opening | Rev Closed Sic - 4 Knights - Capablanca Variation 4. d3 | 01 October 2001 |
| English Opening | Rev Closed Sic - 4 Knights - Kingside Fianchetto 4. g3 | 01 October 2001 |
| English Opening | Rev Closed Sic - 4 Knights - Marini Variation 4. a3 | 01 October 2001 |
| English Opening | Rev Closed Sic - 4 Knights - Nenarokov Variation 4. d4 exd4... | 01 October 2001 |
| English Opening | Rev Closed Sic - 4 Knights - Nimzowitsch Variation 4. e4 | 01 October 2001 |
| English Opening | Rev Cl Sic - 4 Kn - Romanishin Variation 4. e3 Bb4 5. Qc2 Bxc3 | 01 October 2001 |
| English Opening | Rev Closed Sic - 4 Kn - Stean Variation 4. e3 Bb4 5. Qc2 0-0... | 01 October 2001 |
| English Opening | Reversed Sicilian 1. c4 e5 2. Nc3 | 17 September 2001 |
| English Opening | Reversed Sicilian - Bremen 2. Nc3 d6 3. Nf3 | 17 September 2001 |
| English Opening | Reversed Sicilian - Keres Variation 2. Nc3 d6 3. g3 c6 | 17 September 2001 |
| English Opening | Reversed Sicilian - Kramnik-Shirov Counter 2. Nc3 Bb4 | 17 September 2001 |
| English Opening | Reversed Sicilian - Troger Defense 2. Nc3 d6 3. g3 Be6 4. Bg2 Nc6 | 17 September 2001 |
| English Opening | Schultz Gambit 1. c4 d5 2. cxd5 Nf6 | 17 September 2001 |
| English Opening | Smyslov System 2. Nc3 Nf6 3. g3 Bb4 | 08 October 2001 |
| English Opening | Symmetrical Variation 1. c4 c5 | 27 August 2001 |
| English Opening | Sym Var - 3 Knights System 2. Nc3 Nf6 3. Nf3 d5 4. cxd5 Nxd5 | 03 September 2001 |
| English Opening | Sym Variation - 4 Knights System 2. Nc3 Nc6 3. Nf3 Nf6 | 03 September 2001 |
| English Opening | Symmetrical Variation - Benoni Formation 2. Nf3 Nf6 3. d4 | 03 September 2001 |
| English Opening | Sym - Benoni - Geller Variation 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nc6 | 03 September 2001 |
| English Opening | Sym - Benoni - Symmetrical Var 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nc6 | 03 September 2001 |
| English Opening | Sym Var - Botvinnik System 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 | 27 August 2001 |
| English Opening | Sym Var - Botvinnik Sys Reversed 5.e3 e5 4. Bg2 Bg7 5. e3 e5 | 27 August 2001 |
| English Opening | Sym Var - Botvinnik Sys Reversed 5.Nf3 e5 4. Bg2 Bg7 5. Nf3 e5 | 27 August 2001 |
| English Opening | Sym Var - Hedgehog System 4. Bg2 Bg7 5. 0-0 e6 6. Nc3 Be7 | 03 September 2001 |
| English Opening | Sym Var - Hedgehog - Flexible Formation 7. d4 cxd4 8. Qxd4 d6... | 03 September 2001 |
| English Opening | Sym Var - Rubinstein System 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 | 03 September 2001 |
| English Opening | Sym Var - Symmetrical Variation 1. c4 c5 2. Nc3 Nc6 | 27 August 2001 |
| English Opening | Sym Var - Symmetrical Variation 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 | 27 August 2001 |
| English Opening | Sym Var - Symmetrical Variation 2. Nc3 Nf6 3. g3 | 03 September 2001 |
| English Opening | Sym Var - Symmetrical Variation 7.b3 6. 0-0 0-0 7. b3 | 27 August 2001 |
| English Opening | Sym Var - Symmetrical Variation 7.d3 6. 0-0 0-0 7. d3 | 27 August 2001 |
| English Opening | Sym Var - Symmetrical Variation 7.d4 6. 0-0 0-0 7. d4 | 27 August 2001 |
| English Opening | Sym Var - Ultra-Symmetrical Variation 2. Nc3 Nc6 3. g3 | 27 August 2001 |
| English Opening | Sym Var - Wing Gambit Accepted 2. b4 cxb4 | 27 August 2001 |
| English Opening | Two Knights Variation 2. Nc3 Nf6 | 08 October 2001 |
| English Opening | Two Knights - Reverse Dragon 2. Nc3 Nf6 3. g3 d5 | 08 October 2001 |
| English Opening | Vector Gambit 1. c4 d5 2. cxd5 c6 | 17 September 2001 |
| English Opening | Wimpy System 2. Nf3 d5 3. b3 Nf6 4. Bb2 c5 5. e3 | 15 October 2001 |
| Englund Gambit 1. d4 e5 | 29 October 2001 | |
| Euwe Defense 1. d4 d5 2. Nc3 Nf6 3. e4 dxe4 4. f3 exf3 5. Nxf3 e6 | 29 October 2001 | |
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