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Library|A30English Opening: Symmetrical Variation, Hedgehog Defense

A30English Opening: Symmetrical Variation, Hedgehog DefenseMove 6 / 6

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A30Black24 book lines continue

Symmetrical Variation, Hedgehog Defense

English Opening

1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7

Also known as English Opening, Symmetrical Variation, Hedgehog Variation, Symmetrical English, English: Symmetrical, Hedgehog System.

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The line

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Where the book goes

d4A30English: Symmetrical, Hedgehog, 7.d4
b3A30English: Symmetrical, Hedgehog, 7.b3
Re1A30English: Symmetrical, Hedgehog, 7.Re1

English Opening

A10–C20 · 146 lines

Main lines1

A10English Opening
1. c4

Symmetrical Variation27

A30Symmetrical Variation
1. c4 c5
A34Symmetrical Variation, Normal Variation
1. c4 c5 2. Nc3
A30Symmetrical Variation
1. c4 c5 2. Nf3
A35Symmetrical Variation, Two Knights Variation
1. c4 c5 2. Nc3 Nc6
A36Symmetrical Variation, Two Knights, Fianchetto Variation
1. c4 c5 2. Nc3 Nc6 3. g3
A31Symmetrical Variation, Anti-Benoni Variation
1. d4 Nf6 2. c4 c5 3. Nf3
A34Symmetrical Variation, Three Knights Variation
1. c4 c5 2. Nc3 Nf6 3. Nf3
A34Symmetrical Variation, Fianchetto Variation
1. c4 Nf6 2. Nc3 c5 3. g3
A30Symmetrical Variation, Napolitano Gambit
1. c4 c5 2. Nf3 Nf6 3. b4
A35Symmetrical Variation, Four Knights Variation
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6
A35Symmetrical Variation
1. c4 c5 2. Nc3 Nf6 3. Nf3 e5
A36Symmetrical Variation, Ultra-Symmetrical Variation
1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6
A32Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense
1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6
A37Symmetrical Variation, Three Knights, Fianchetto Variation
1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3
A36Symmetrical Variation, Botvinnik System
1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2
A38Symmetrical Variation, Full Symmetry Line
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7
A33Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6
A37Symmetrical Variation, Botvinnik System Reversed, with Nf3
1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5
A34Symmetrical Variation
1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 cxd4
A36Symmetrical Variation, Botvinnik System Reversed, with e3
1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e5
A34Symmetrical Variation, Rubinstein Variation
1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7
A30Symmetrical Variation, Hedgehog Defense
1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7
A33Symmetrical Variation, Anti-Benoni Variation, Geller Variation
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Qb6
A34Symmetrical Variation, Rubinstein Variation
1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7
A39Symmetrical Variation, Mecking Variation
1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4
A38Symmetrical Variation, Duchamp Variation
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c5 6. Nc3 Nc6 7. d3
A38Symmetrical Variation, Double Fianchetto
1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. b3

King's English Variation42

A20King's English Variation
1. c4 e5
A21King's English Variation, Reversed Sicilian
1. c4 e5 2. Nc3
A20King's English Variation, Nimzowitsch Variation
1. c4 e5 2. Nf3
A25King's English Variation, Reversed Closed Sicilian
1. c4 e5 2. Nc3 Nc6
A22King's English Variation, Two Knights Variation
1. c4 e5 2. Nc3 Nf6
A21King's English Variation, Kramnik-Shirov Counterattack
1. c4 e5 2. Nc3 Bb4
A20King's English Variation, Nimzowitsch-Flohr Variation
1. c4 e5 2. Nf3 e4
A27King's English Variation, Three Knights System
1. c4 e5 2. Nc3 Nc6 3. Nf3
A21King's English Variation
1. c4 e5 2. Nc3 d6 3. Nf3
A28King's English Variation, Four Knights Variation
1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6
A24King's English Variation, Two Knights Variation, Fianchetto Line
1. c4 e5 2. Nc3 Nf6 3. g3 g6
A22King's English Variation, Two Knights Variation, Smyslov System
1. c4 e5 2. Nc3 Nf6 3. g3 Bb4
A23King's English Variation, Two Knights Variation, Keres Variation
1. c4 e5 2. Nc3 Nf6 3. g3 c6
A22King's English Variation, Two Knights Variation, Reversed Dragon
1. c4 e5 2. Nc3 Nf6 3. g3 d5
A21King's English Variation, Keres Defense
1. c4 e5 2. Nc3 d6 3. g3 c6
A21King's English Variation, Smyslov Defense
1. c4 e5 2. Nc3 d6 3. Nf3 Bg4
A29King's English Variation, Four Knights Variation, Fianchetto Line
1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3
A28King's English Variation, Four Knights Variation, Quiet Line
1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3
A28King's English Variation, Four Knights Variation, Flexible Line
1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3
A28King's English Variation, Four Knights Variation, Korchnoi Line
1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3
A20King's English Variation, Kahiko-Hula Gambit
1. c4 e5 2. e3 Nf6 3. f4 exf4 4. Nf3
A25King's English Variation, Taimanov Variation
1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7
A21King's English Variation, Troger Defense
1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6
A22King's English Variation, Adhiban Gambit
1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 c6
A22King's English Variation, Bellon Gambit
1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 b5
A28King's English Variation, Four Knights Variation, Bradley Beach Variation
1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4
A23King's English Variation, Two Knights Variation, Keres Variation
1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6
A25King's English Variation, Closed System
1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3
A25King's English Variation, Hungarian Attack
1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1
A26King's English Variation, Closed System, Full Symmetry
1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6
A29King's English Variation, Four Knights Variation, Fianchetto Line
1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6
A28King's English Variation, Four Knights Variation, Quiet Line
1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3
A26King's English Variation, Botvinnik System
1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e4
A29King's English Variation, Four Knights Variation, Fianchetto Line
1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. d3
A29King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6
1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6
A25King's English Variation, Bremen-Hort Variation
1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Be6
A29King's English Variation, Four Knights Variation, Fianchetto Line, with Bc5
1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5
A28King's English Variation, Four Knights Variation, Quiet Line
1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 O-O 6. Nd5 Re8 7. Qf5
A29King's English Variation, Four Knights Variation, Fianchetto Line
1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. d3 Be7 7. O-O O-O
A29King's English Variation, Four Knights Variation, Fianchetto Line, Delayed .. Nc6
1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Re8 6. O-O e4 7. Nd4 Nc6
A10King's English Variation, Botvinnik System, Prickly Pawn Pass System
1. 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
A28King's English Variation, Four Knights Variation
1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 h6 7. Bh4 Bxc3+ 8. bxc3 Ne5

Anglo-Indian Defense25

A15Anglo-Indian Defense
1. c4 Nf6
A16Anglo-Indian Defense, Queen's Knight Variation
1. c4 Nf6 2. Nc3
A15Anglo-Indian Defense, King's Knight Variation
1. Nf3 Nf6 2. c4
A17Anglo-Indian Defense, Hedgehog System
1. c4 Nf6 2. Nc3 e6
A15Anglo-Indian Defense, King's Indian Formation
1. Nf3 Nf6 2. c4 g6
A15Anglo-Indian Defense, Queen's Indian Formation
1. Nf3 Nf6 2. c4 b6
A15Anglo-Indian Defense, Scandinavian Defense
1. Nf3 Nf6 2. c4 d5
A15Anglo-Indian Defense, Old Indian Formation
1. Nf3 Nf6 2. c4 d6
A17Anglo-Indian Defense, Queen's Indian Formation
1. c4 Nf6 2. Nc3 e6 3. Nf3 b6
A17Anglo-Indian Defense, Nimzo-English
1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4
A15Anglo-Indian Defense, Romanishin Variation
1. Nf3 Nf6 2. c4 e6 3. g3 a6
A15Anglo-Indian Defense, Grünfeld Formation
1. c4 Nf6 2. Nf3 g6 3. g3 d5
A15Anglo-Indian Defense, Scandinavian Defense, Exchange Variation
1. Nf3 Nf6 2. c4 d5 3. cxd5 Nxd5
A15Anglo-Indian Defense, Slav Formation
1. Nf3 Nf6 2. c4 g6 3. g3 c6
A16Anglo-Indian Defense, Anglo-Grünfeld Variation
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3
A15Anglo-Indian Defense, Anti-Anti-Grünfeld
1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4
A17Anglo-Indian Defense, Zvjaginsev-Krasenkow Attack
1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. g4
A16Anglo-Indian Defense, Anglo-Grünfeld Variation
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6
A19Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit
1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8
A15Anglo-Indian Defense, Queen's Indian Formation
1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7
A15Anglo-Indian Defense, King's Indian Formation, Double Fianchetto
1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 g6
A17Anglo-Indian Defense, Queen's Indian Variation
1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. e4 Bb7 5. Bd3
A16Anglo-Indian Defense, Anglo-Grünfeld Variation
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3
A17Anglo-Indian Defense
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 c5 5. e3 e6
A16Anglo-Indian Defense, Anglo-Grünfeld Variation
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6

Carls-Bremen System1

A22Carls-Bremen System
1. c4 e5 2. Nc3 Nf6 3. g3

Agincourt Defense13

A13Agincourt Defense
1. c4 e6
A13Agincourt Defense
1. c4 e6 2. Nf3
A13Agincourt Defense
1. c4 e6 2. Nf3 d5
A13Agincourt Defense, Kurajica Defense
1. Nf3 d5 2. c4 e6 3. g3 c6
A13Agincourt Defense, Catalan Defense
1. Nf3 d5 2. c4 e6 3. g3 c5
A13Agincourt Defense, Catalan Defense Accepted
1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4
A13Agincourt Defense, Catalan Defense, Semi-Slav Defense
1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6
A13Agincourt Defense, Bogoljubov Defense
1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bd6
A14Agincourt Defense, Neo-Catalan Declined
1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O
A13Agincourt Defense, Wimpy System
1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 c5 5. e3
A13Agincourt Defense, Catalan Defense
1. Nf3 d5 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O
A13Agincourt Defense, Tarrasch Defense
1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 c5 5. Bg2 Nc6 6. O-O Be7
A14Agincourt Defense, Keres Defense
1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc6 7. O-O Be7