| Name | ECO | Main line length |
|---|
| English Opening | A10 | 1 plies |
| English Opening: Great Snake Variation | A10 | 2 plies |
| English Opening: Anglo-Dutch Defense | A10 | 2 plies |
| English Opening: Myers Defense | A10 | 2 plies |
| English Opening: Anglo-Scandinavian Defense | A10 | 2 plies |
| English Opening: Jaenisch Gambit | A10 | 2 plies |
| English Opening: Caro-Kann Defensive System | A11 | 2 plies |
| English Opening: Agincourt Defense | A13 | 2 plies |
| English Opening: King's English Variation | A20 | 2 plies |
| English Opening: Symmetrical Variation | A30 | 2 plies |
| English Opening: Anglo-Lithuanian Variation | A10 | 2 plies |
| English Opening: Anglo-Indian Defense | A15 | 2 plies |
| English Opening: Anglo-Dutch Defense, Hickmann Gambit | A10 | 3 plies |
| English Opening: Wade Gambit | A10 | 3 plies |
| English Opening: Wing Gambit | A30 | 3 plies |
| English Opening: The Whale | C20 | 3 plies |
| English Opening: Achilles-Omega Gambit | A10 | 3 plies |
| English Opening: Agincourt Defense | A13 | 3 plies |
| English Opening: King's English Variation, Nimzowitsch Variation | A20 | 3 plies |
| English Opening: King's English Variation, Reversed Sicilian | A21 | 3 plies |
| English Opening: Symmetrical Variation | A30 | 3 plies |
| English Opening: Symmetrical Variation, Normal Variation | A34 | 3 plies |
| English Opening: Anglo-Indian Defense, King's Knight Variation | A15 | 3 plies |
| English Opening: Anglo-Indian Defense, Queen's Knight Variation | A16 | 3 plies |
| English Opening: Zilbermints Gambit | A10 | 4 plies |
| English Opening: Adorjan Defense | A10 | 4 plies |
| English Opening: Drill Variation | A20 | 4 plies |
| English Opening: Myers Gambit | A10 | 4 plies |
| English Opening: Agincourt Defense | A13 | 4 plies |
| English Opening: King's English Variation, Nimzowitsch-Flohr Variation | A20 | 4 plies |
| English Opening: Anglo-Scandinavian Defense, Löhn Gambit | A10 | 4 plies |
| English Opening: Anglo-Indian Defense, Queen's Indian Formation | A15 | 4 plies |
| English Opening: Anglo-Indian Defense, Old Indian Formation | A15 | 4 plies |
| English Opening: Anglo-Indian Defense, Scandinavian Defense | A15 | 4 plies |
| English Opening: Anglo-Indian Defense, King's Indian Formation | A15 | 4 plies |
| English Opening: Anglo-Grünfeld Defense | A16 | 4 plies |
| English Opening: Anglo-Indian Defense, Hedgehog System | A17 | 4 plies |
| English Opening: King's English Variation, Kramnik-Shirov Counterattack | A21 | 4 plies |
| English Opening: King's English Variation, Two Knights Variation | A22 | 4 plies |
| English Opening: King's English Variation, Reversed Closed Sicilian | A25 | 4 plies |
| English Opening: Symmetrical Variation, Two Knights Variation | A35 | 4 plies |
| English Opening: Anglo-Scandinavian Defense, Schulz Gambit | A10 | 4 plies |
| English Opening: Anglo-Dutch Variation, Chabanon Gambit | A10 | 5 plies |
| English Opening: Anglo-Dutch Variation, Ferenc Gambit | A10 | 5 plies |
| English Opening: Mikenas-Carls Variation | A18 | 5 plies |
| English Opening: King's English Variation | A21 | 5 plies |
| English Opening: King's English, Mazedonisch | A22 | 5 plies |
| English Opening: Carls-Bremen System | A22 | 5 plies |
| English Opening: Symmetrical Variation, Napolitano Gambit | A30 | 5 plies |
| English Opening: Symmetrical Variation, Anti-Benoni Variation | A31 | 5 plies |
| English Opening: Symmetrical Variation, Fianchetto Variation | A34 | 5 plies |
| English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation | A36 | 5 plies |
| English Opening: King's English Variation, Three Knights System | A27 | 5 plies |
| English Opening: Symmetrical Variation, Three Knights Variation | A34 | 5 plies |
| English Opening: Agincourt Defense, Catalan Defense | A13 | 6 plies |
| English Opening: Agincourt Defense, Kurajica Defense | A13 | 6 plies |
| English Opening: King's English Variation, Keres Defense | A21 | 6 plies |
| English Opening: Neo-Catalan | A13 | 6 plies |
| English Opening: Anglo-Indian Defense, Slav Formation | A15 | 6 plies |
| English Opening: Anglo-Indian Defense, Grünfeld Formation | A15 | 6 plies |
| English Opening: Anglo-Indian Defense, Romanishin Variation | A15 | 6 plies |
| English Opening: Mikenas-Carls, Sicilian | A19 | 6 plies |
| English Opening: King's English Variation, Two Knights Variation, Reversed Dragon | A22 | 6 plies |
| English Opening: King's English Variation, Two Knights Variation, Keres Variation | A23 | 6 plies |
| English Opening: King's English Variation, Two Knights Variation, Fianchetto Line | A24 | 6 plies |
| English Opening: Anglo-Indian Defense, Queen's Indian Formation | A17 | 6 plies |
| English Opening: Mikenas-Carls Variation | A18 | 6 plies |
| English Opening: King's English Variation, Smyslov Defense | A21 | 6 plies |
| English Opening: King's English Variation, Two Knights Variation, Smyslov System | A22 | 6 plies |
| English Opening: Symmetrical Variation | A35 | 6 plies |
| English Opening: Anglo-Indian Defense, Nimzo-English | A17 | 6 plies |
| English Opening: King's English Variation, Four Knights Variation | A28 | 6 plies |
| English Opening: Symmetrical Variation, Four Knights Variation | A35 | 6 plies |
| English Opening: Anglo-Scandinavian Defense, Malvinas Variation | A10 | 6 plies |
| English Opening: Anglo-Indian Defense, Scandinavian Defense, Exchange Variation | A15 | 6 plies |
| English Opening: Mikenas-Carls Variation | A18 | 7 plies |
| English Opening: Porcupine Variation | A10 | 7 plies |
| English Opening: Anglo-Indian Defense, Anti-Anti-Grünfeld | A15 | 7 plies |
| English Opening: Anglo-Indian Defense, Zvjaginsev-Krasenkow Attack | A17 | 7 plies |
| English Opening: King's English Variation, Kahiko-Hula Gambit | A20 | 7 plies |
| English Opening: King's English Variation, Four Knights Variation, Flexible Line | A28 | 7 plies |
| English Opening: King's English Variation, Four Knights Variation, Korchnoi Line | A28 | 7 plies |
| English Opening: King's English Variation, Four Knights Variation, Quiet Line | A28 | 7 plies |
| English Opening: Four Knights System, Nimzowitsch Variation | A28 | 7 plies |
| English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | A29 | 7 plies |
| English Opening: Agincourt Defense, Catalan Defense, Semi-Slav Defense | A13 | 8 plies |
| English Opening: Romanishin Gambit | A13 | 8 plies |
| English Opening: Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit | A19 | 8 plies |
| English Opening: Neo-Catalan Declined | A13 | 8 plies |
| English Opening: Agincourt Defense, Bogoljubow Defense | A13 | 8 plies |
| English Opening: Anglo-Indian Defense, Queen's Indian Formation | A15 | 8 plies |
| English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto | A15 | 8 plies |
| English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | A16 | 7 plies |
| English Opening: King's English Variation, Troger Defense | A21 | 8 plies |
| English Opening: King's English Variation, Adhiban Gambit | A22 | 8 plies |
| English Opening: King's English Variation, Bellon Gambit | A22 | 8 plies |
| English Opening: King's English Variation, Two Knights Variation, Keres Variation | A23 | 8 plies |
| English Opening: King's English Variation, Taimanov Variation | A25 | 8 plies |
| English Opening: King's English Variation, Four Knights Variation, Bradley Beach Variation | A28 | 8 plies |
| English Opening: Symmetrical Variation, Four Knights Variation, Keres-Parma System | A35 | 8 plies |
| English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | A36 | 8 plies |
| English Opening: Agincourt Defense, Catalan Defense Accepted | A13 | 8 plies |
| English Opening: King's English, Erbenheimer Gambit | A22 | 8 plies |
| English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | A29 | 8 plies |
| English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | A32 | 8 plies |
| English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | A16 | 8 plies |
| English Opening: Agincourt Defense, Wimpy System | A13 | 9 plies |
| English Opening: Agincourt Defense, Catalan Defense | A13 | 9 plies |
| English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3 | A14 | 9 plies |
| English Opening: King's English Variation, Closed System | A25 | 9 plies |
| English Opening: Symmetrical Variation, Botvinnik System | A36 | 9 plies |
| English Opening: Agincourt Defense, Neo-Catalan Declined | A14 | 9 plies |
| English Opening: Anglo-Indian Defense, Queen's Indian Variation | A17 | 9 plies |
| English Opening: King's English Variation, Hungarian Attack | A25 | 9 plies |
| English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | A37 | 9 plies |
| English Opening: King's English Variation, Reversed Closed Sicilian | A25 | 9 plies |
| English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3 | A14 | 10 plies |
| English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3 | A14 | 10 plies |
| English Opening: King's English Variation, Closed System, Full Symmetry | A26 | 10 plies |
| English Opening: Symmetrical Variation, Botvinnik System Reversed, with e3 | A36 | 10 plies |
| English Opening: Agincourt Defense | A13 | 10 plies |
| English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | A37 | 10 plies |
| English Opening: Closed, Taimanov Variation | A25 | 10 plies |
| English Opening: Symmetrical Variation | A34 | 10 plies |
| English Opening: Symmetrical Variation, Full Symmetry Line | A38 | 10 plies |
| English Opening: Anglo-Indian Defense | A17 | 10 plies |
| English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | A16 | 10 plies |
| English Opening: King's English Variation, Four Knights Variation, Quiet Line | A28 | 10 plies |
| English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | A29 | 10 plies |
| English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | A33 | 10 plies |
| English Opening: Symmetrical Variation, Rubinstein Variation | A34 | 10 plies |
| English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | A16 | 10 plies |
| English Opening: King's English Variation, Botvinnik System | A26 | 11 plies |
| English Opening: Agincourt Defense | A13 | 11 plies |
| English Opening: Agincourt Defense, Neo-Catalan Declined | A14 | 11 plies |
| English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6 | A29 | 11 plies |
| English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | A37 | 11 plies |
| English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | A37 | 11 plies |
| English Opening: King's English Variation, Reversed Closed Sicilian | A25 | 11 plies |
| English Opening: King's English Variation, Reversed Closed Sicilian | A25 | 11 plies |
| English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | A29 | 11 plies |
| English Opening: Agincourt Defense, Tarrasch Defense | A13 | 12 plies |
| English Opening: Agincourt Defense, Neo-Catalan Declined | A14 | 12 plies |
| English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, h6 | A29 | 12 plies |
| English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, a6 | A29 | 12 plies |
| English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | A37 | 12 plies |
| English Opening: King's English Variation, Bremen-Hort Variation | A25 | 12 plies |
| English Opening: Closed, Taimanov Variation | A25 | 12 plies |
| English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, Be7 | A29 | 12 plies |
| English Opening: Symmetrical Variation, Hedgehog Defense | A30 | 12 plies |
| English Opening: King's English Variation, Reversed Closed Sicilian | A25 | 12 plies |
| English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | A37 | 12 plies |
| English Opening: Anglo-Grünfeld Defense, Korchnoi Variation | A16 | 12 plies |
| English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation | A33 | 12 plies |
| English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Bc5 | A29 | 12 plies |
| English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | A29 | 12 plies |
| English Opening: Symmetrical Variation, Rubinstein Variation | A34 | 12 plies |
| English Opening: Agincourt Defense, Neo-Catalan Declined | A14 | 13 plies |
| English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6 | A29 | 13 plies |
| English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | A37 | 13 plies |
| English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | A37 | 13 plies |
| English Opening: Symmetrical Variation, Duchamp Variation | A38 | 13 plies |
| English Opening: Symmetrical Variation, Double Fianchetto | A38 | 13 plies |
| English Opening: Symmetrical Variation, Mecking Variation | A39 | 13 plies |
| English Opening: Agincourt Defense, Neo-Catalan Declined | A14 | 14 plies |
| English Opening: Agincourt Defense, Neo-Catalan Declined | A14 | 14 plies |
| English Opening: King's English Variation, Four Knights Variation, Quiet Line | A28 | 13 plies |
| English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | A37 | 14 plies |
| English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, Delayed .. Nc6 | A29 | 14 plies |
| English Opening: Agincourt Defense, Keres Defense | A14 | 14 plies |
| English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | A29 | 14 plies |
| English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | A29 | 14 plies |
| English Opening: King's English Variation, Botvinnik System, Prickly Pawn Pass System | A10 | 16 plies |
| English Opening: King's English Variation, Four Knights Variation | A28 | 16 plies |
| English Opening: Symmetrical, Hedgehog, Flexible Formation | A30 | 20 plies |