פתיחה אנגלית – הבדלי גרסאות

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הרחבה
מ (בוט מוסיף: lb:Englesch Erëffnung)
(הרחבה)
'''פתיחה אנגלית''' היא פתיחה ב[[שחמט]]. בפתיחה זו הלבן נמנע מלכבוש את המרכז (למשל על ידי 1. ד2-ד4)
והוא מבכר לנהל מאבק עקיף על השליטה בו על ידי הפתיחה האגפית: 1. ג4 ..., ובד בבד גם מנסה למנוע את כיבושו על ידי השחור.
 
הפתיחה האנגלית מקוטלגת בשיטת [[אנציקלופדיית פתיחות שחמט]] בין A10-A39‏‏.<ref>‏
<div style="direction: ltr;">
<br />A10 English1.c4
<br />A10 English: 1...g51.c4 g5
<br />A10 English: 1...g5 2.d41.c4 g5 2.d4
<br />A10 English: Myers Gambit1.c4 g5 2.d4 Bg7
<br />A10 English: 1...Nc61.c4 Nc6
<br />A10 English: 1...Nc6 2.Nc31.c4 Nc6 2.Nc3
<br />A10 English: Jהnisch Gambit1.c4 b5
<br />A10 English: Vector1.c4 d5
<br />A10 English: 1...b61.c4 b6
<br />A10 English: 1...b6 2.Nf31.c4 b6 2.Nf3
<br />A10 English: 1...b6 2.Nf3 Bb71.c4 b6 2.Nf3 Bb7
<br />A10 English: 1...b6 2.Nc31.c4 b6 2.Nc3
<br />A10 English: 1...b6 2.Nc3 e61.c4 b6 2.Nc3 e6
<br />A10 English: 1...b6 2.Nc3 e6 3.e41.c4 b6 2.Nc3 e6 3.e4
<br />A10 English: 1...b6 2.Nc3 Bb71.c4 b6 2.Nc3 Bb7
<br />A10 English: 1...b6 2.Nc3 Bb7 3.e41.c4 b6 2.Nc3 Bb7 3.e4
<br />A10 English: 1...b6 2.Nc3 Bb7 3.e4 e61.c4 b6 2.Nc3 Bb7 3.e4 e6
<br />A10 English: 1...d61.c4 d6
<br />A10 English: 1...d6 2.Nc31.c4 d6 2.Nc3
<br />A10 English: 1...d6 2.Nf31.c4 d6 2.Nf3
<br />A10 English: 1...g61.c4 g6
<br />A10 English: 1...g6 2.g31.c4 g6 2.g3
<br />A10 English: 1...g6 2.Nc31.c4 g6 2.Nc3
<br />A10 English: 1...g6 2.Nc3 Bg71.c4 g6 2.Nc3 Bg7
<br />A10 English: 1...g6 2.Nc3 Bg7 3.g31.c4 g6 2.Nc3 Bg7 3.g3
<br />A10 English: 1...g6 2.Nf31.c4 g6 2.Nf3
<br />A10 English: 1...g6 2.Nf3 Bg71.c4 g6 2.Nf3 Bg7
<br />A10 English: 1...g6 2.e41.c4 g6 2.e4
<br />A10 English: Adorjan Defence1.c4 g6 2.e4 e5
<br />A10 English: Anglo-Dutch1.c4 f5
<br />A10 English: Wade Gambit1.c4 f5 2.g4
<br />A10 English: Anglo-Dutch, 2.g31.c4 f5 2.g3
<br />A10 English: Anglo-Dutch, 2.g3 Nf61.c4 f5 2.g3 Nf6
<br />A10 English: Anglo-Dutch, 2.g3 Nf6 3.Bg21.c4 f5 2.g3 Nf6 3.Bg2
<br />A10 English: Anglo-Dutch, 2.Nc31.c4 f5 2.Nc3
<br />A10 English: Anglo-Dutch, 2.Nc3 Nf61.c4 f5 2.Nc3 Nf6
<br />A10 English: Anglo-Dutch, 2.Nc3 Nf6 3.g31.c4 f5 2.Nc3 Nf6 3.g3
<br />A10 English: Anglo-Dutch, 2.Nc3 Nf6 3.g3 g61.c4 f5 2.Nc3 Nf6 3.g3 g6
<br />A10 English: Anglo-Dutch, 2.Nf31.c4 f5 2.Nf3
<br />A10 English: Anglo-Dutch, 2.Nf3 e61.c4 f5 2.Nf3 e6
<br />A10 English: Anglo-Dutch, 2.Nf3 Nf61.c4 f5 2.Nf3 Nf6
<br />A10 English: Anglo-Dutch, 2.Nf3 Nf6 3.Nc31.c4 f5 2.Nf3 Nf6 3.Nc3
<br />A10 English: Anglo-Dutch, 2.Nf3 Nf6 3.g31.c4 f5 2.Nf3 Nf6 3.g3
<br />A10 English: Anglo-Dutch, 2.Nf3 Nf6 3.g3 e61.c4 f5 2.Nf3 Nf6 3.g3 e6
<br />A10 English: Anglo-Dutch, 2.Nf3 Nf6 3.g3 e6 4.Bg21.c4 f5 2.Nf3 Nf6 3.g3 e6 4.Bg2
<br />A10 English: Anglo-Dutch, 2.Nf3 Nf6 3.g3 e6 4.Bg2 c6 5.O-O d51.c4 f5 2.Nf3 Nf6 3.g3 e6 4.Bg2 c6 5.O-O d5
<br />A10 English: Anglo-Dutch, 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be71.c4 f5 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be7
<br />A10 English: Anglo-Dutch, 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be7 5.O-O1.c4 f5 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be7 5.O-O
<br />A10 English: Anglo-Dutch, 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be7 5.O-O O-O1.c4 f5 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be7 5.O-O O-O
<br />A10 English: Anglo-Dutch, 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be7 5.O-O O-O 6.Nc31.c4 f5 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be7 5.O-O O-O 6.Nc3
<br />A11 English: Caro-Kann Defence1.c4 c6
<br />A11 English: Caro-Kann Defence, 2.g31.c4 c6 2.g3
<br />A11 English: Caro-Kann Defence, 2.g3 Nf61.c4 c6 2.g3 Nf6
<br />A11 English: Caro-Kann Defence, 2.g3 Nf6 3.Bg2 d51.c4 c6 2.g3 Nf6 3.Bg2 d5
<br />A11 English: Caro-Kann Defence, 2.g3 Nf6 3.Bg2 d5 4.Nf31.c4 c6 2.g3 Nf6 3.Bg2 d5 4.Nf3
<br />A11 English: Caro-Kann Defence, 2.g3 Nf6 3.Bg2 d5 4.Nf3 Bf51.c4 c6 2.g3 Nf6 3.Bg2 d5 4.Nf3 Bf5
<br />A11 English: Caro-Kann Defence, 2.g3 Nf6 3.Bg2 d5 4.Nf3 Bf5 5.O-O1.c4 c6 2.g3 Nf6 3.Bg2 d5 4.Nf3 Bf5 5.O-O
<br />A11 English: Caro-Kann Defence, 2.g3 Nf6 3.Bg2 d5 4.Nf3 Bf5 5.O-O e6 6.d31.c4 c6 2.g3 Nf6 3.Bg2 d5 4.Nf3 Bf5 5.O-O e6 6.d3
<br />A11 English: Caro-Kann Defence, 2.g3 Nf6 3.Bg2 d5 4.Nf3 Bg41.c4 c6 2.g3 Nf6 3.Bg2 d5 4.Nf3 Bg4
<br />A11 English: Caro-Kann Defence, 2.g3 Nf6 3.Bg2 d5 4.Nf3 Bg4 5.O-O1.c4 c6 2.g3 Nf6 3.Bg2 d5 4.Nf3 Bg4 5.O-O
<br />A11 English: Caro-Kann Defence, 2.Nc31.c4 c6 2.Nc3
<br />A11 English: Caro-Kann Defence, 2.Nc3 d51.c4 c6 2.Nc3 d5
<br />A11 English: Caro-Kann Defence, 2.Nf31.c4 c6 2.Nf3
<br />A11 English: Caro-Kann Defence, 2.Nf3 Nf61.c4 c6 2.Nf3 Nf6
<br />A11 English: Caro-Kann Defence, 2.Nf3 d51.c4 c6 2.Nf3 d5
<br />A11 English: Caro-Kann Defence, 3.g31.c4 c6 2.Nf3 d5 3.g3
<br />A11 English: Caro-Kann Defence, 3.g3 Bg41.c4 c6 2.Nf3 d5 3.g3 Bg4
<br />A11 English: Caro-Kann Defence, 3.g3 Bg4 4.Bg21.c4 c6 2.Nf3 d5 3.g3 Bg4 4.Bg2
<br />A11 English: Caro-Kann Defence, 3.e31.c4 c6 2.Nf3 d5 3.e3
<br />A11 English: Caro-Kann Defence, 3.e3 Nf61.c4 c6 2.Nf3 d5 3.e3 Nf6
<br />A11 English: Caro-Kann Defence, 3.e3 Nf6 4.Nc31.c4 c6 2.Nf3 d5 3.e3 Nf6 4.Nc3
<br />A12 English: Caro-Kann Defence, 3.b31.c4 c6 2.Nf3 d5 3.b3
<br />A12 English: Torre Defence, 3.b3 Nf6 4.g3 Bg41.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bg4
<br />A12 English: Torre Defence, 3.b3 Nf6 4.g3 Bg4 5.Bg21.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bg4 5.Bg2
<br />A12 English: Torre Defence, 3.b3 Nf6 4.g3 Bg4 5.Bg2 e61.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bg4 5.Bg2 e6
<br />A12 English: Torre Defence, 3.b3 Nf6 4.g3 Bg4 5.Bg2 e6 6.Bb21.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bg4 5.Bg2 e6 6.Bb2
<br />A12 English: London Defence, 4...Bf51.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bf5
<br />A12 English: London Defence, 4...Bf5 5.Bg21.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bf5 5.Bg2
<br />A12 English: London Defence, 4...Bf5 5.Bg2 e61.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bf5 5.Bg2 e6
<br />A12 English: London Defence, 4...Bf5 5.Bg2 e6 6.Bb21.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bf5 5.Bg2 e6 6.Bb2
<br />A12 English: Caro-Kann Defence, 3.b3 Nf6 4.Bb21.c4 c6 2.Nf3 d5 3.b3 Nf6 4.Bb2
<br />A12 English: Bled Variation, 4...g61.c4 c6 2.Nf3 d5 3.b3 Nf6 4.Bb2 g6
<br />A12 English: Bled Variation, 4...g6 5.e3 Bg71.c4 c6 2.Nf3 d5 3.b3 Nf6 4.Bb2 g6 5.e3 Bg7
<br />A12 English: New York-London Defence1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.Bb2 Bf5
<br />A12 English: Capablanca Variation1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.Bb2 Bg4
<br />A12 English: Bogoljubow Variation1.c4 c6 2.Nf3 d5 3.b3 Bg4
<br />A13 English: 1...e61.c4 e6
<br />A13 English: 1...e6 2.g31.c4 e6 2.g3
<br />A13 English: 1...e6 2.g3 d51.c4 e6 2.g3 d5
<br />A13 English: 1...e6 2.g3 d51.c4 e6 2.g3 d5 3.Bg2
<br />A13 English: 1...e6 2.Nc31.c4 e6 2.Nc3
<br />A13 English: 1...e6 2.Nc3 Bb41.c4 e6 2.Nc3 Bb4
<br />A13 English: 1...e6 2.Nc3 d51.c4 e6 2.Nc3 d5
<br />A13 English: 1...e6 2.Nf31.c4 e6 2.Nf3
<br />A13 English: 1...e6 2.Nf3 Nf61.c4 e6 2.Nf3 Nf6
<br />A13 English: 1...e6 2.Nf3 Nf6 3.g31.c4 e6 2.Nf3 Nf6 3.g3
<br />A13 English: Romanishin Gambit1.c4 e6 2.Nf3 Nf6 3.g3 a6 4.Bg2 b5
<br />A13 English: 1...e6 2.Nf3 d51.c4 e6 2.Nf3 d5
<br />A13 English: Agincourt Variation, 3.b31.c4 e6 2.Nf3 d5 3.b3
<br />A13 English: Wimpey System, 3.b3 Nf6 4.Bb2 c5 5.e31.c4 e6 2.Nf3 d5 3.b3 Nf6 4.Bb2 c5 5.e3
<br />A13 English: Wimpey System, 3.b3 Nf6 4.Bb2 c5 5.e3 Nc61.c4 e6 2.Nf3 d5 3.b3 Nf6 4.Bb2 c5 5.e3 Nc6
<br />A13 English: Agincourt Variation, 3.g31.c4 e6 2.Nf3 d5 3.g3
<br />A13 English: Kurajica Defence1.c4 e6 2.Nf3 d5 3.g3 c6
<br />A13 English: Kurajica Defence, 4.Qc21.c4 e6 2.Nf3 d5 3.g3 c6 4.Qc2
<br />A13 English: Neo-Catalan1.c4 e6 2.Nf3 d5 3.g3 Nf6
<br />A13 English: Neo-Catalan, 4.Bg21.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2
<br />A13 English: Neo-Catalan, 4...c61.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 c6
<br />A13 English: Neo-Catalan, 4...c6 5.b31.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 c6 5.b3
<br />A13 English: Neo-Catalan, 4...c51.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 c5
<br />A13 English: Neo-Catalan, 4...c5 5.O-O1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 c5 5.O-O
<br />A13 English: Neo-Catalan Accepted1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4
<br />A13 English: Neo-Catalan Accepted, 5.Qa4+1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+
<br />A13 English: Neo-Catalan Accepted, 5.Qa4+ Nbd71.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+ Nbd7
<br />A13 English: Neo-Catalan Accepted, 5.Qa4+ Nbd7 6.O-O1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+ Nbd7 6.O-O
<br />A13 English: Neo-Catalan Accepted, 5.Qa4+ Nbd7 6.Qxc41.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4
<br />A13 English: Neo-Catalan Accepted, 5.Qa4+ Nbd7 6.Qxc4 a61.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 a6
<br />A13 English: Neo-Catalan Accepted, 5.Qa4+ Nbd7 6.Qxc4 c51.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 c5
<br />A14 English: Neo-Catalan Declined1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7
<br />A14 English: Neo-Catalan Declined1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O
<br />A14 English: Neo-Catalan Declined, 5...c61.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O c6
<br />A14 English: Neo-Catalan Declined, 5...c51.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O c5
<br />A14 English: Neo-Catalan Declined, 5...O-O1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O
<br />A14 English: Neo-Catalan Declined, 5...O-O 6.b31.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3
<br />A14 English: Neo-Catalan Declined, 5...O-O 6.b3 b61.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 b6
<br />A14 English: Neo-Catalan Declined, 5...O-O 6.b3 b6 7.Bb2 Bb71.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 b6 7.Bb2 Bb7
<br />A14 English: Neo-Catalan Declined, 5...O-O 6.b3 b6 7.Bb2 Bb7 8.e31.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 b6 7.Bb2 Bb7 8.e3
<br />A14 English: Neo-Catalan Declined, 5...O-O 6.b3 c51.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 c5
<br />A14 English: Neo-Catalan Declined, 5...O-O 6.b3 c5 7.Bb21.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 c5 7.Bb2
<br />A14 English: Neo-Catalan Declined, 5...O-O 6.b3 c5 7.Bb2 Nc61.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 c5 7.Bb2 Nc6
<br />A14 English: Neo-Catalan Declined, 5...O-O 6.b3 c5 7.Bb2 Nc6 8.e31.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 c5 7.Bb2 Nc6 8.e3
<br />A15 English: Anglo-Indian1.c4 Nf6
<br />A15 English: Anglo-Indian, Polish1.c4 Nf6 2.b4
<br />A15 English: Anglo-Indian, 2.g31.c4 Nf6 2.g3
<br />A15 English: Anglo-Indian, 2.g3 e61.c4 Nf6 2.g3 e6
<br />A15 English: Anglo-Indian, 2.g3 e6 3.Bg21.c4 Nf6 2.g3 e6 3.Bg2
<br />A15 English: Anglo-Indian, 2.g3 g61.c4 Nf6 2.g3 g6
<br />A15 English: Anglo-Indian, 2.g3 g6 3.Bg2 Bg71.c4 Nf6 2.g3 g6 3.Bg2 Bg7
<br />A15 English: Anglo-Indian, 2.Nf31.c4 Nf6 2.Nf3
<br />A15 English: Anglo-Indian, 2.Nf3 g61.c4 Nf6 2.Nf3 g6
<br />A15 English: Anglo-Indian, 2.Nf3 g6 3.g3 Bg7 4.Bg21.c4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2
<br />A15 English: Anglo-Indian, 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O1.c4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O
<br />A16 English: Anglo-Indian, 2.Nc31.c4 Nf6 2.Nc3
<br />A16 English: Anglo-Indian, 2.Nc3 Nc61.c4 Nf6 2.Nc3 Nc6
<br />A16 English: Anglo-Indian, 2.Nc3 c61.c4 Nf6 2.Nc3 c6
<br />A16 English: Anglo-Indian, 2.Nc3 c6 3.e41.c4 Nf6 2.Nc3 c6 3.e4
<br />A16 English: Anglo-Indian, 2.Nc3 c6 3.e4 d51.c4 Nf6 2.Nc3 c6 3.e4 d5
<br />A16 English: Anglo-Indian, 2.Nc3 d61.c4 Nf6 2.Nc3 d6
<br />A16 English: Anglo-Indian, 2.Nc3 g61.c4 Nf6 2.Nc3 g6
<br />A16 English: Anglo-Indian, 2.Nc3 g6 3.e41.c4 Nf6 2.Nc3 g6 3.e4
<br />A16 English: Anglo-Indian, 2.Nc3 g6 3.g31.c4 Nf6 2.Nc3 g6 3.g3
<br />A16 English: Anglo-Indian, 2.Nc3 g6 3.g3 Bg71.c4 Nf6 2.Nc3 g6 3.g3 Bg7
<br />A16 English: Anglo-Indian, 2.Nc3 g6 3.g3 Bg7 4.Bg21.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2
<br />A16 English: Anglo-Indian, 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O
<br />A16 English: Anglo-Indian, 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.e41.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.e4
<br />A16 English: Anglo-Indian, 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf31.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3
<br />A16 English: Anglo-Indian, 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O
<br />A16 English: Anglo-Grnfeld1.c4 Nf6 2.Nc3 d5
<br />A16 English: Anglo-Grnfeld, 3.Nf31.c4 Nf6 2.Nc3 d5 3.Nf3
<br />A16 English: Anglo-Grnfeld, 3.Nf3 g61.c4 Nf6 2.Nc3 d5 3.Nf3 g6
<br />A16 English: Anglo-Grnfeld, 3.Nf3 g6 4.Qa4+1.c4 Nf6 2.Nc3 d5 3.Nf3 g6 4.Qa4+
<br />A16 English: Anglo-Grnfeld, 3.Nf3 g6 4.g31.c4 Nf6 2.Nc3 d5 3.Nf3 g6 4.g3
<br />A16 English: Anglo-Grnfeld, 3.cxd51.c4 Nf6 2.Nc3 d5 3.cxd5
<br />A16 English: Anglo-Grnfeld, Smyslov Variation1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3
<br />A16 English: Anglo-Grnfeld, Smyslov Variation, 6.bxc31.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3 6.bxc3
<br />A16 English: Anglo-Grnfeld, Smyslov Variation, 6.bxc3 Bg71.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3 6.bxc3 Bg7
<br />A16 English: Anglo-Grnfeld, Smyslov, 7.Rb11.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3 6.bxc3 Bg7 7.Rb1
<br />A16 English: Anglo-Grnfeld, Czech Variation1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nb6
<br />A16 English: Anglo-Grnfeld, 4.Nf31.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3
<br />A16 English: Anglo-Grnfeld, 4.Nf3 g61.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6
<br />A16 English: Anglo-Grnfeld, 4.Nf3 g6 5.g31.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.g3
<br />A16 English: Anglo-Grnfeld, 4.Nf3 g6 5.g3 Bg71.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.g3 Bg7
<br />A16 English: Anglo-Grnfeld, Korchnoi Variation1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.g3 Bg7 6.Bg2 e5
<br />A16 English: Anglo-Grnfeld, Andersson-Bצצk Variation1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.e4
<br />A16 English: Anglo-Grnfeld, Andersson-Bצצk, Queenswap1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.e4 Nxc3 6.dxc3 Qxd1+ 7.Kxd1
<br />A16 English: Anglo-Grnfeld, 4.Nf3 g6 5.Qa4+1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.Qa4+
<br />A17 English: Anglo-Indian, 2.Nc3 e61.c4 Nf6 2.Nc3 e6
<br />A17 English: Anglo-Indian, 2.Nc3 e6 3.g31.c4 Nf6 2.Nc3 e6 3.g3
<br />A17 English: Anglo-Indian, 2.Nc3 e6 3.Nf31.c4 Nf6 2.Nc3 e6 3.Nf3
<br />A17 English: Anglo-Indian, 2.Nc3 e6 3.Nf3 d51.c4 Nf6 2.Nc3 e6 3.Nf3 d5
<br />A17 English: Anglo-Queen's Indian1.c4 Nf6 2.Nc3 e6 3.Nf3 b6
<br />A17 English: Anglo-Queen's Indian, 4.e41.c4 Nf6 2.Nc3 e6 3.Nf3 b6 4.e4
<br />A17 English: Anglo-Queen's Indian, Romanishin1.c4 Nf6 2.Nc3 e6 3.Nf3 b6 4.e4 Bb7 5.Bd3
<br />A17 English: Anglo-Queen's Indian, 4.g31.c4 Nf6 2.Nc3 e6 3.Nf3 b6 4.g3
<br />A17 English: Anglo-Queen's Indian, 4.g3 Bb7 5.Bg21.c4 Nf6 2.Nc3 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2
<br />A17 English: Anglo-Queen's Indian, 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O1.c4 Nf6 2.Nc3 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O
<br />A17 English: Anglo-Queen's Indian, 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Re11.c4 Nf6 2.Nc3 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Re1
<br />A17 English: Nimzo-English1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4
<br />A17 English: Nimzo-English, 4.g31.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 4.g3
<br />A17 English: Nimzo-English, 4.Qc21.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 4.Qc2
<br />A17 English: Nimzo-English, 4.Qc2 O-O1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 4.Qc2 O-O
<br />A18 English: Mikenas1.c4 Nf6 2.Nc3 e6 3.e4
<br />A18 English: Mikenas, Kevitz Defence1.c4 Nf6 2.Nc3 e6 3.e4 Nc6
<br />A18 English: Mikenas, 3...d61.c4 Nf6 2.Nc3 e6 3.e4 d6
<br />A18 English: Mikenas, 3...d6 4.d4 Be71.c4 Nf6 2.Nc3 e6 3.e4 d6 4.d4 Be7
<br />A18 English: Mikenas, French Variation1.c4 Nf6 2.Nc3 e6 3.e4 d5
<br />A18 English: Mikenas, French, 4.cxd51.c4 Nf6 2.Nc3 e6 3.e4 d5 4.cxd5
<br />A18 English: Mikenas, Flohr Variation1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5
<br />A18 English: Mikenas, Flohr, 4...Ne41.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 Ne4
<br />A18 English: Mikenas, Flohr, 4...d41.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 d4
<br />A18 English: Mikenas, Flohr, 7.Nf31.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 d4 5.exf6 dxc3 6.bxc3 Qxf6 7.Nf3
<br />A18 English: Mikenas, Flohr, 7.d41.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 d4 5.exf6 dxc3 6.bxc3 Qxf6 7.d4
<br />A18 English: Mikenas, Flohr, 7.d4 c51.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 d4 5.exf6 dxc3 6.bxc3 Qxf6 7.d4 c5
<br />A18 English: Mikenas, Flohr, 7.d4 e51.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 d4 5.exf6 dxc3 6.bxc3 Qxf6 7.d4 e5
<br />A19 English: Mikenas, Sicilian Variation1.c4 Nf6 2.Nc3 e6 3.e4 c5
<br />A19 English: Mikenas, Sicilian, 4.e51.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5
<br />A19 English: Mikenas, Sicilian, 4.e5 Ng81.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8
<br />A19 English: Mikenas, Nei Gambit1.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 5.d4
<br />A19 English: Mikenas, 5.Nf31.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 5.Nf3
<br />A19 English: Mikenas, 5.Nf3 Nc61.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 5.Nf3 Nc6
<br />A19 English: Mikenas, 5.Nf3 Nc6 6.d41.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 5.Nf3 Nc6 6.d4
<br />A19 English: Mikenas, 6.d4 cxd4 7.Nxd4 Nxe51.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 5.Nf3 Nc6 6.d4 cxd4 7.Nxd4 Nxe5
<br />A20 English: KID, 1...e51.c4 e5
<br />A20 English: KID, 2.d31.c4 e5 2.d3
<br />A20 English: KID, 2.e31.c4 e5 2.e3
<br />A20 English: KID, 2.g31.c4 e5 2.g3
<br />A20 English: KID, 2.g3 f51.c4 e5 2.g3 f5
<br />A20 English: KID, 2.g3 g61.c4 e5 2.g3 g6
<br />A20 English: KID, 2.g3 g6 3.Bg21.c4 e5 2.g3 g6 3.Bg2
<br />A20 English: KID, 2.g3 g6 3.Bg2 Bg71.c4 e5 2.g3 g6 3.Bg2 Bg7
<br />A20 English: KID, 2.g3 c61.c4 e5 2.g3 c6
<br />A20 English: KID, 2.g3 c6 3.d41.c4 e5 2.g3 c6 3.d4
<br />A20 English: KID, 2.g3 d61.c4 e5 2.g3 d6
<br />A20 English: KID, 2.g3 d6 3.Bg21.c4 e5 2.g3 d6 3.Bg2
<br />A20 English: KID, 2.g3 Nc61.c4 e5 2.g3 Nc6
<br />A20 English: KID, 2.g3 Nc6 3.Bg21.c4 e5 2.g3 Nc6 3.Bg2
<br />A20 English: KID, 2.g3 Nf61.c4 e5 2.g3 Nf6
<br />A20 English: KID, 2.g3 Nf6 3.Bg21.c4 e5 2.g3 Nf6 3.Bg2
<br />A20 English: KID, 2.g3 Nf6 3.Bg2 Bc51.c4 e5 2.g3 Nf6 3.Bg2 Bc5
<br />A20 English: KID, 2.g3 Nf6 3.Bg2 Nc61.c4 e5 2.g3 Nf6 3.Bg2 Nc6
<br />A20 English: KID, 2.g3 Nf6 3.Bg2 c61.c4 e5 2.g3 Nf6 3.Bg2 c6
<br />A20 English: KID, 2.g3 Nf6 3.Bg2 d51.c4 e5 2.g3 Nf6 3.Bg2 d5
<br />A20 English: KID, Nimzowitsch1.c4 e5 2.Nf3
<br />A20 English: KID, Nimzowitsch, 2...Nc61.c4 e5 2.Nf3 Nc6
<br />A20 English: KID, Nimzowitsch, Flohr Variation1.c4 e5 2.Nf3 e4
<br />A21 English: KID, 2.Nc31.c4 e5 2.Nc3
<br />A21 English: KID, 2.Nc3 f51.c4 e5 2.Nc3 f5
<br />A21 English: KID, 2.Nc3 f5 3.g3 Nf61.c4 e5 2.Nc3 f5 3.g3 Nf6
<br />A21 English: KID, 2.Nc3 f5 3.g3 Nf6 4.Bg21.c4 e5 2.Nc3 f5 3.g3 Nf6 4.Bg2
<br />A21 English: KID, 2.Nc3 g61.c4 e5 2.Nc3 g6
<br />A21 English: KID, 2.Nc3 g6 3.g3 Bg7 4.Bg21.c4 e5 2.Nc3 g6 3.g3 Bg7 4.Bg2
<br />A21 English: KID, 2.Nc3 d61.c4 e5 2.Nc3 d6
<br />A21 English: KID, Keres Variation1.c4 e5 2.Nc3 d6 3.g3 c6
<br />A21 English: KID, Keres Variation, 4.Bg21.c4 e5 2.Nc3 d6 3.g3 c6 4.Bg2
<br />A21 English: KID, 2.Nc3 d6 3.d41.c4 e5 2.Nc3 d6 3.d4
<br />A21 English: KID, 2.Nc3 d6 3.g31.c4 e5 2.Nc3 d6 3.g3
<br />A21 English: KID, 2.Nc3 d6 3.Nf31.c4 e5 2.Nc3 d6 3.Nf3
<br />A21 English: KID, 2.Nc3 d6 3.Nf3 g61.c4 e5 2.Nc3 d6 3.Nf3 g6
<br />A21 English: Lukin Variation1.c4 e5 2.Nc3 d6 3.Nf3 f5
<br />A21 English: Lukin, 4.d4 e41.c4 e5 2.Nc3 d6 3.Nf3 f5 4.d4 e4
<br />A21 English: Lukin, 5.Nd21.c4 e5 2.Nc3 d6 3.Nf3 f5 4.d4 e4 5.Nd2
<br />A21 English: Lukin, 5.Nd2 Nf6 6.e31.c4 e5 2.Nc3 d6 3.Nf3 f5 4.d4 e4 5.Nd2 Nf6 6.e3
<br />A21 English: Lukin, 5.Ng51.c4 e5 2.Nc3 d6 3.Nf3 f5 4.d4 e4 5.Ng5
<br />A21 English: Lukin, 5.Ng5 Nf61.c4 e5 2.Nc3 d6 3.Nf3 f5 4.d4 e4 5.Ng5 Nf6
<br />A21 English: Lukin, 5.Ng5 Be71.c4 e5 2.Nc3 d6 3.Nf3 f5 4.d4 e4 5.Ng5 Be7
<br />A21 English: Lukin, 5.Ng5 c61.c4 e5 2.Nc3 d6 3.Nf3 f5 4.d4 e4 5.Ng5 c6
<br />A21 English: Smyslov Defence1.c4 e5 2.Nc3 d6 3.Nf3 Bg4
<br />A21 English: Kramnik-Shirov Counterattack1.c4 e5 2.Nc3 Bb4
<br />A21 English: Kramnik-Shirov, 3.g31.c4 e5 2.Nc3 Bb4 3.g3
<br />A21 English: Kramnik-Shirov, 3.g3 Bxc31.c4 e5 2.Nc3 Bb4 3.g3 Bxc3
<br />A21 English: Kramnik-Shirov, 3.g3 Bxc3 4.bxc31.c4 e5 2.Nc3 Bb4 3.g3 Bxc3 4.bxc3
<br />A21 English: Kramnik-Shirov, 3.Nd51.c4 e5 2.Nc3 Bb4 3.Nd5
<br />A21 English: Kramnik-Shirov, 3.Nd5 a51.c4 e5 2.Nc3 Bb4 3.Nd5 a5
<br />A21 English: Kramnik-Shirov, 3.Nd5 Ba51.c4 e5 2.Nc3 Bb4 3.Nd5 Ba5
<br />A21 English: Kramnik-Shirov, 3.Nd5 Bc51.c4 e5 2.Nc3 Bb4 3.Nd5 Bc5
<br />A21 English: Kramnik-Shirov, 3.Nd5 Be71.c4 e5 2.Nc3 Bb4 3.Nd5 Be7
<br />A21 English: Kramnik-Shirov, 3.Nd5 Be7 4.d41.c4 e5 2.Nc3 Bb4 3.Nd5 Be7 4.d4
<br />A22 English: King's, 2.Nc3 Nf61.c4 e5 2.Nc3 Nf6
<br />A22 English: Anglo-Indian, 2.Nc3 c6 3.e4 e51.c4 Nf6 2.Nc3 c6 3.e4 e5
<br />A22 English: King's, 2.Nc3 Nf6 3.e41.c4 e5 2.Nc3 Nf6 3.e4
<br />A22 English: King's, 2.Nc3 Nf6 3.e31.c4 e5 2.Nc3 Nf6 3.e3
<br />A22 English: King's, 2.Nc3 Nf6 3.e3 Bb41.c4 e5 2.Nc3 Nf6 3.e3 Bb4
<br />A22 English: King's, 2.Nc3 Nf6 3.Nf31.c4 e5 2.Nc3 Nf6 3.Nf3
<br />A22 English: King's, 2.Nc3 Nf6 3.Nf3 d61.c4 e5 2.Nc3 Nf6 3.Nf3 d6
<br />A22 English: King's, 2.Nc3 Nf6 3.Nf3 e41.c4 e5 2.Nc3 Nf6 3.Nf3 e4
<br />A22 English: Bellon Gambit1.c4 e5 2.Nc3 Nf6 3.Nf3 e4 4.Ng5 b5
<br />A22 English: Bremen System1.c4 e5 2.Nc3 Nf6 3.g3
<br />A22 English: Bremen, 3...Bc51.c4 e5 2.Nc3 Nf6 3.g3 Bc5
<br />A22 English: Bremen, Reverse Dragon1.c4 e5 2.Nc3 Nf6 3.g3 d5
<br />A22 English: Bremen, Reverse Dragon, 4.cxd51.c4 e5 2.Nc3 Nf6 3.g3 d5 4.cxd5
<br />A22 English: Bremen, Reverse Dragon, 4.cxd5 Nxd51.c4 e5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5
<br />A22 English: Bremen, Reverse Dragon, 4.cxd5 Nxd5 5.Bg21.c4 e5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2
<br />A22 English: Bremen, Reverse Dragon, 4.cxd5 Nxd5 5.Bg2 Nb61.c4 e5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nb6
<br />A22 English: Bremen, Smyslov System1.c4 e5 2.Nc3 Nf6 3.g3 Bb4
<br />A22 English: Bremen, Smyslov, 4.Bg21.c4 e5 2.Nc3 Nf6 3.g3 Bb4 4.Bg2
<br />A22 English: Bremen, Smyslov, 4.Bg2 Bxc31.c4 e5 2.Nc3 Nf6 3.g3 Bb4 4.Bg2 Bxc3
<br />A22 English: Bremen, Smyslov, 4.Bg2 O-O1.c4 e5 2.Nc3 Nf6 3.g3 Bb4 4.Bg2 O-O
<br />A22 English: Bremen, Smyslov, 4.Bg2 O-O 5.e41.c4 e5 2.Nc3 Nf6 3.g3 Bb4 4.Bg2 O-O 5.e4
<br />A23 English: Bremen, Keres System1.c4 e5 2.Nc3 Nf6 3.g3 c6
<br />A23 English: Bremen, Keres, 4.Nf31.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Nf3
<br />A23 English: Bremen, Keres, 4.Nf3 d61.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Nf3 d6
<br />A23 English: Bremen, Keres, 4.Nf3 d61.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Nf3 d6 5.Bg2
<br />A23 English: Bremen, Keres, 4.Nf3 e41.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Nf3 e4
<br />A23 English: Bremen, Keres, 4.Bg21.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Bg2
<br />A23 English: Bremen, Keres, 4.Bg2 d51.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Bg2 d5
<br />A23 English: Bremen, Keres, 4.Bg2 d5 5.cxd51.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Bg2 d5 5.cxd5
<br />A23 English: Bremen, Keres, 4.Bg2 d5 5.cxd5 cxd51.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Bg2 d5 5.cxd5 cxd5
<br />A24 English: Bremen, 3...g61.c4 e5 2.Nc3 Nf6 3.g3 g6
<br />A24 English: Bremen, 3...g6 4.Bg21.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2
<br />A24 English: Bremen, 3...g6 4.Bg2 Bg71.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7
<br />A24 English: Bremen, 3...g6 4.Bg2 Bg7 5.d31.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.d3
<br />A24 English: Bremen, 3...g6 4.Bg2 Bg7 5.e31.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.e3
<br />A24 English: Bremen, 3...g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 O-O1.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 O-O
<br />A24 English: Bremen, 3...g6 4.Bg2 Bg7 5.e41.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.e4
<br />A24 English: Bremen, 3...g6 4.Bg2 Bg7 5.e4 d61.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.e4 d6
<br />A24 English: Bremen, 3...g6 4.Bg2 Bg7 5.e4 d6 6.Nf31.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.e4 d6 6.Nf3
<br />A24 English: Bremen, 3...g6 4.Bg2 Bg7 5.e4 d6 6.Nge2 O-O1.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.e4 d6 6.Nge2 O-O
<br />A24 English: Bremen, 3...g6 4.Bg2 Bg7 5.e4 d6 6.Nge2 O-O 7.d31.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.e4 d6 6.Nge2 O-O 7.d3
<br />A24 English: Bremen, 3...g6 4.Bg2 Bg7 5.Nf31.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3
<br />A24 English: Bremen, 3...g6 4.Bg2 Bg7 5.Nf3 d6 6.O-O O-O1.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 d6 6.O-O O-O
<br />A24 English: Bremen, 3...g6 4.Bg2 Bg7 5.Nf3 d6 6.d3 O-O 7.O-O1.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 d6 6.d3 O-O 7.O-O
<br />A24 English: Bremen, 3...g6 4.Bg2 Bg7 5.Nf3 d6 6.d3 O-O 7.O-O c61.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 d6 6.d3 O-O 7.O-O c6
<br />A25 English: Closed1.c4 e5 2.Nc3 Nc6
<br />A25 English: Closed, 3.e31.c4 e5 2.Nc3 Nc6 3.e3
<br />A25 English: Closed, 3.e3 Nf61.c4 e5 2.Nc3 Nc6 3.e3 Nf6
<br />A25 English: Closed, 3.g31.c4 e5 2.Nc3 Nc6 3.g3
<br />A25 English: Closed, 3.g3 f51.c4 e5 2.Nc3 Nc6 3.g3 f5
<br />A25 English: Closed, 3.g3 f5 4.Bg21.c4 e5 2.Nc3 Nc6 3.g3 f5 4.Bg2
<br />A25 English: Closed, 3.g3 f5 4.Bg2 Nf61.c4 e5 2.Nc3 Nc6 3.g3 f5 4.Bg2 Nf6
<br />A25 English: Closed, 3.g3 f5 4.Bg2 Nf6 5.e3 g61.c4 e5 2.Nc3 Nc6 3.g3 f5 4.Bg2 Nf6 5.e3 g6
<br />A25 English: Closed, 3.g3 f5 4.Bg2 Nf6 5.d31.c4 e5 2.Nc3 Nc6 3.g3 f5 4.Bg2 Nf6 5.d3
<br />A25 English: Closed, 3.g3 Nf61.c4 e5 2.Nc3 Nc6 3.g3 Nf6
<br />A25 English: Closed, 3.g3 Nf6 4.Bg21.c4 e5 2.Nc3 Nc6 3.g3 Nf6 4.Bg2
<br />A25 English: Closed, 3.g3 Nf6 4.Bg2 Bc51.c4 e5 2.Nc3 Nc6 3.g3 Nf6 4.Bg2 Bc5
<br />A25 English: Closed, 3.g3 Nf6 4.Bg2 Bc5 5.e31.c4 e5 2.Nc3 Nc6 3.g3 Nf6 4.Bg2 Bc5 5.e3
<br />A25 English: Closed, 3.g3 Nf6 4.Bg2 Bb41.c4 e5 2.Nc3 Nc6 3.g3 Nf6 4.Bg2 Bb4
<br />A25 English: Closed, 3.g3 Nf6 4.Bg2 Bb4 5.Nd51.c4 e5 2.Nc3 Nc6 3.g3 Nf6 4.Bg2 Bb4 5.Nd5
<br />A25 English: Closed, 3.g3 d6 4.Bg21.c4 e5 2.Nc3 Nc6 3.g3 d6 4.Bg2
<br />A25 English: Closed, Trצger Defence1.c4 e5 2.Nc3 Nc6 3.g3 d6 4.Bg2 Be6
<br />A25 English: Closed, Trצger Defence, 5.d31.c4 e5 2.Nc3 Nc6 3.g3 d6 4.Bg2 Be6 5.d3
<br />A25 English: Closed, 3.g3 g61.c4 e5 2.Nc3 Nc6 3.g3 g6
<br />A25 English: Closed, 3.g3 g6 4.Bg21.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2
<br />A25 English: Closed, 3.g3 g6 4.Bg2 Bg71.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7
<br />A25 English: Closed, 3.g6 g6 4.Bg2 Bg7 5.e31.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3
<br />A25 English: Closed, Taimanov Variation1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 Nh6
<br />A25 English: Closed, Hort Variation1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 Be6
<br />A25 English: Closed, Hort Variation, 7.d31.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 Be6 7.d3
<br />A25 English: Closed, 5.Rb11.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Rb1
<br />A25 English: Closed, 5.Rb1, Taimanov Variation1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Rb1 Nh6
<br />A25 English: Closed, 5.Rb1 a51.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Rb1 a5
<br />A25 English: Closed, 5.e41.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4
<br />A25 English: Closed, 5.d31.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3
<br />A25 English: Closed, 5.d3 Nge71.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 Nge7
<br />A26 English: Closed, 5.d3 d61.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6
<br />A26 English: Closed, 5.d3 d6 6.e31.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e3
<br />A26 English: Closed, 5.d3 d6 6.Rb11.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Rb1
<br />A26 English: Closed, 5.d3 d6 6.Rb1 f51.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Rb1 f5
<br />A26 English: Closed, 5.d3 d6 6.Rb1 a51.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Rb1 a5
<br />A26 English: Closed, 5.d3 d6 6.Nf31.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nf3
<br />A26 English: Closed, 5.d3 d6 6.Nf3 Nf61.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nf3 Nf6
<br />A26 English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nf3 Nf6 7.O-O
<br />A26 English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O O-O1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nf3 Nf6 7.O-O O-O
<br />A26 English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb11.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1
<br />A26 English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1 a51.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1 a5
<br />A26 English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1 a5 9.a31.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1 a5 9.a3
<br />A26 English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1 a5 9.a3 h61.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1 a5 9.a3 h6
<br />A26 English: Botvinnik System1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4
<br />A26 English: Botvinnik System, 6...Nf61.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 Nf6
<br />A26 English: Botvinnik System, 6...Nf6 7.Nf31.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 Nf6 7.Nf3
<br />A26 English: Botvinnik System, 6...Nf6 7.Nf3 O-O 8.O-O1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 Nf6 7.Nf3 O-O 8.O-O
<br />A26 English: Botvinnik System, 6...Nf6 7.Nge21.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 Nf6 7.Nge2
<br />A26 English: Botvinnik System, 6...Nf6 7.Nge2 O-O 8.O-O1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 Nf6 7.Nge2 O-O 8.O-O
<br />A26 English: Botvinnik System, 6...Nge71.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 Nge7
<br />A26 English: Botvinnik System, 6...Nge7 7.Nge21.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 Nge7 7.Nge2
<br />A27 English: Three Knights1.c4 e5 2.Nc3 Nc6 3.Nf3
<br />A27 English: Three Knights, 3...Bb41.c4 e5 2.Nc3 Nc6 3.Nf3 Bb4
<br />A27 English: Three Knights, 3...d61.c4 e5 2.Nc3 Nc6 3.Nf3 d6
<br />A27 English: Three Knights, 3...f51.c4 e5 2.Nc3 Nc6 3.Nf3 f5
<br />A27 English: Three Knights, 3...f5 4.d41.c4 e5 2.Nc3 Nc6 3.Nf3 f5 4.d4
<br />A27 English: Three Knights, 3...f5 4.d4 e41.c4 e5 2.Nc3 Nc6 3.Nf3 f5 4.d4 e4
<br />A27 English: Three Knights, 3...g61.c4 e5 2.Nc3 Nc6 3.Nf3 g6
<br />A27 English: Three Knights, 3...g6 4.d41.c4 e5 2.Nc3 Nc6 3.Nf3 g6 4.d4
<br />A27 English: Three Knights, 3...g6 4.d4 exd41.c4 e5 2.Nc3 Nc6 3.Nf3 g6 4.d4 exd4
<br />A27 English: Three Knights, 3...g6 4.d4 exd4 5.Nxd41.c4 e5 2.Nc3 Nc6 3.Nf3 g6 4.d4 exd4 5.Nxd4
<br />A28 English: Four Knights1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6
<br />A28 English: Four Knights, Nimzowitsch Variation1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e4
<br />A28 English: Four Knights, Marini Variation1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.a3
<br />A28 English: Four Knights, Capablanca Variation1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d3
<br />A28 English: Four Knights, 4.d41.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d4
<br />A28 English: Four Knights, Nenarokov Variation1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d4 exd4 5.Nxd4 Bb4 6.Bg5 h6 7.Bh4 Bxc3+ 8.bxc3 Ne5
<br />A28 English: Four Knights, Bradley Beach Variation1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d4 e4
<br />A28 English: Four Knights, 4.e31.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3
<br />A28 English: Four Knights, 4.e3 Bb41.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4
<br />A28 English: Four Knights, 4.e3 Bb4 5.Qc21.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4 5.Qc2
<br />A28 English: Four Knights, Stean Variation1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4 5.Qc2 O-O 6.Nd5 Re8 7.Qf5
<br />A28 English: Four Knights, Romanishin Variation1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4 5.Qc2 Bxc3
<br />A29 English: Four Knights, 4.g31.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3
<br />A29 English: Four Knights, 4.g3 g61.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 g6
<br />A29 English: Four Knights, 4.g3 g6 5.d41.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 g6 5.d4
<br />A29 English: Four Knights, 4.g3 d51.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5
<br />A29 English: Four Knights, 4.g3 d5 5.cxd51.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5
<br />A29 English: Four Knights, 4.g3 d5 5.cxd5 Nxd51.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5
<br />A29 English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg21.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2
<br />A29 English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Be61.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Be6
<br />A29 English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb61.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6
<br />A29 English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O
<br />A29 English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be71.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7
<br />A29 English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.Rb11.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.Rb1
<br />A29 English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.a31.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.a3
<br />A29 English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.d31.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.d3
<br />A29 English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.d3 O-O1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.d3 O-O
<br />A29 English: Four Knights, 4.g3 Bc51.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bc5
<br />A29 English: Four Knights, 4.g3 Bc5 5.Bg21.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bc5 5.Bg2
<br />A29 English: Four Knights, 4.g3 Bc5 5.Bg2 d6 6.O-O1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bc5 5.Bg2 d6 6.O-O
<br />A29 English: Four Knights, 4.g3 Bc5 5.Bg2 d6 6.O-O O-O1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bc5 5.Bg2 d6 6.O-O O-O
<br />A29 English: Four Knights, 4.g3 Bc5 5.Bg2 d6 6.O-O O-O 7.d31.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bc5 5.Bg2 d6 6.O-O O-O 7.d3
<br />A29 English: Four Knights, 4.g3 Bb41.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bb4
<br />A29 English: Four Knights, 4.g3 Bb4 5.Nd51.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bb4 5.Nd5
<br />A29 English: Four Knights, 4.g3 Bb4 5.Bg21.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bb4 5.Bg2
<br />A29 English: Four Knights, Main Line 6.O-O1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bb4 5.Bg2 O-O 6.O-O
<br />A29 English: Four Knights, Main Line 6.O-O e41.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bb4 5.Bg2 O-O 6.O-O e4
<br />A30 English: Symmetrical1.c4 c5
<br />A30 English: Symmetrical, 2.b31.c4 c5 2.b3
<br />A30 English: Symmetrical, 2.g31.c4 c5 2.g3
<br />A30 English: Symmetrical, 2.g3 g61.c4 c5 2.g3 g6
<br />A30 English: Symmetrical, 2.Nf31.c4 c5 2.Nf3
<br />A30 English: Symmetrical, 2.Nf3 b61.c4 c5 2.Nf3 b6
<br />A30 English: Symmetrical, 2.Nf3 b6 3.g31.c4 c5 2.Nf3 b6 3.g3
<br />A30 English: Symmetrical, 2.Nf3 b6 3.g3 Bb7 4.Bg21.c4 c5 2.Nf3 b6 3.g3 Bb7 4.Bg2
<br />A30 English: Symmetrical, 2.Nf3 g61.c4 c5 2.Nf3 g6
<br />A30 English: Symmetrical, 2.Nf3 Nc61.c4 c5 2.Nf3 Nc6
<br />A30 English: Symmetrical, 2.Nf3 Nf61.c4 c5 2.Nf3 Nf6
<br />A30 English: Symmetrical, 2.Nf3 Nf6 3.g31.c4 c5 2.Nf3 Nf6 3.g3
<br />A30 English: Symmetrical, b6 System1.c4 c5 2.Nf3 Nf6 3.g3 b6
<br />A30 English: Symmetrical, b6 System1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7
<br />A30 English: Symmetrical, b6 System1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.Nc3
<br />A30 English: Symmetrical, b6 System1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O
<br />A30 English: Symmetrical, Double Fianchetto1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O g6
<br />A30 English: Symmetrical, Double Fianchetto1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O g6 6.Nc3 Bg7
<br />A30 English: Symmetrical, Mutual Double Fianchetto1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O g6 6.b3
<br />A30 English: Symmetrical, Mutual Double Fianchetto1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O g6 6.b3 Bg7 7.Bb2 O-O
<br />A30 English: Symmetrical, Mutual Double Fianchetto1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O g6 6.b3 Bg7 7.Bb2 O-O 8.Nc3
<br />A30 English: Symmetrical, Mutual Double Fianchetto with ...d51.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O g6 6.b3 Bg7 7.Bb2 O-O 8.Nc3 d5
<br />A30 English: Symmetrical, Hedgehog System1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6
<br />A30 English: Symmetrical, Hedgehog System1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3
<br />A30 English: Symmetrical, Hedgehog System, 6...a61.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 a6
<br />A30 English: Symmetrical, Hedgehog System, 6...d61.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 d6
<br />A30 English: Symmetrical, Hedgehog System, 6...d6 7.b31.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 d6 7.b3
<br />A30 English: Symmetrical, Hedgehog System, 6...d6 7.d41.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 d6 7.d4
<br />A30 English: Symmetrical, Hedgehog System1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7
<br />A30 English: Symmetrical, Hedgehog System, 7.Re11.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.Re1
<br />A30 English: Symmetrical, Hedgehog System, 7.Re1 d51.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.Re1 d5
<br />A30 English: Symmetrical, Hedgehog System, 7.b31.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.b3
<br />A30 English: Symmetrical, Hedgehog System, 7.b31.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.b3 O-O
<br />A30 English: Symmetrical, Hedgehog System, 7.b31.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.b3 O-O 8.Bb2 d6
<br />A30 English: Symmetrical, Hedgehog System, 7.d41.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4
<br />A30 English: Symmetrical, Hedgehog System, 8.Qxd41.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4
<br />A30 English: Symmetrical, Hedgehog System, 8.Qxd4 O-O1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O
<br />A30 English: Symmetrical, Hedgehog System, 8.Qxd4 O-O1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 O-O 9.Rd1 Nc6
<br />A30 English: Symmetrical, Hedgehog System, 8.Qxd4 Nc61.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 Nc6
<br />A30 English: Symmetrical, Hedgehog System, 8.Qxd4 d61.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6
<br />A30 English: Symmetrical, Hedgehog System, 9.b31.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6 9.b3
<br />A30 English: Symmetrical, Hedgehog System, 9.b3 Nbd71.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6 9.b3 Nbd7
<br />A30 English: Symmetrical, Hedgehog System, 9.b3 Nbd7 10.Nb51.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6 9.b3 Nbd7 10.Nb5
<br />A30 English: Symmetrical, Hedgehog System, 9.Rd11.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6 9.Rd1
<br />A30 English: Symmetrical, Hedgehog System, Flexible Formation1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6 9.Rd1 a6 10.b3 Nbd7
<br />A30 English: Symmetrical, Hedgehog System, Flexible Formation1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6 9.Rd1 a6 10.b3 Nbd7 11.e4
<br />A30 English: Symmetrical, Hedgehog System, Flexible Formation, 11.e4 Qc71.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6 9.Rd1 a6 10.b3 Nbd7 11.e4 Qc7
<br />A30 English: Symmetrical, Hedgehog System, Flexible Formation, 11.e4 O-O1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6 9.Rd1 a6 10.b3 Nbd7 11.e4 O-O
<br />A31 English: Symmetrical, Two Knights, 1.c4 c5 2.Nf3 Nf6 3.d41.c4 c5 2.Nf3 Nf6 3.d4
<br />A31 English: Symmetrical, Two Knights, 3...a61.c4 c5 2.Nf3 Nf6 3.d4 a6
<br />A31 English: Symmetrical, Two Knights, 3...g61.c4 c5 2.Nf3 Nf6 3.d4 g6
<br />A31 English: Symmetrical, Two Knights, 3...g6 4.d51.c4 c5 2.Nf3 Nf6 3.d4 g6 4.d5
<br />A31 English: Symmetrical, Two Knights, 3...g6 4.Nc31.c4 c5 2.Nf3 Nf6 3.d4 g6 4.Nc3
<br />A31 English: Symmetrical, Two Knights, 3..cxd41.c4 c5 2.Nf3 Nf6 3.d4 cxd4
<br />A31 English: Symmetrical, Two Knights, 3..cxd4 4.Nxd41.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4
<br />A31 English: Symmetrical, Two Knights, 4...b61.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 b6
<br />A31 English: Symmetrical, Two Knights, 4...b6 5.Nc3 Bb71.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 b6 5.Nc3 Bb7
<br />A31 English: Symmetrical, Two Knights, 4...g61.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 g6
<br />A31 English: Symmetrical, Two Knights, 4...g6 5.Nc31.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 g6 5.Nc3
<br />A31 English: Symmetrical, Two Knights, 4...g6 5.Nc3 Bg71.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7
<br />A31 English: Symmetrical, Two Knights, 4...g61.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.e4
<br />A31 English: Symmetrical, Two Knights, 4...Nc61.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 Nc6
<br />A31 English: Symmetrical, Two Knights, 4...Nc6 5.Nc31.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3
<br />A31 English: Symmetrical, Two Knights, 4...Nc6 5.Nc3 g61.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 g6
<br />A31 English: Symmetrical, Two Knights, 4...e51.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e5
<br />A31 English: Symmetrical, Two Knights, 4...e5 5.Nb51.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e5 5.Nb5
<br />A32 English: Symmetrical, Two Knights, 4...e61.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6
<br />A32 English: Symmetrical, Two Knights, 5.e31.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.e3
<br />A32 English: Symmetrical, Two Knights, 5.g31.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3
<br />A32 English: Symmetrical, Two Knights, 5.g3 a61.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 a6
<br />A32 English: Symmetrical, Two Knights, 5.g3 a61.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 a6 6.Bg2
<br />A32 English: Symmetrical, Two Knights, 5.g3 Qb61.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 Qb6
<br />A32 English: Symmetrical, Two Knights, 5.g3 Qb6 6.Bg21.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 Qb6 6.Bg2
<br />A32 English: Symmetrical, Two Knights, 5.g3 Qc71.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 Qc7
<br />A32 English: Symmetrical, Two Knights, 5.g3 Nc61.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 Nc6
<br />A32 English: Symmetrical, Two Knights, 5.g3 Nc6 6.Bg21.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 Nc6 6.Bg2
<br />A32 English: Symmetrical, Two Knights, 5.g3 Bb4+1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 Bb4+
<br />A32 English: Symmetrical, Two Knights, 5.g3 d51.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 d5
<br />A32 English: Symmetrical, Two Knights, 5.Nc31.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3
<br />A32 English: Symmetrical, Two Knights, 5.Nc3 d51.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 d5
<br />A32 English: Symmetrical, Two Knights, 5.Nc3 a61.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 a6
<br />A32 English: Symmetrical, Two Knights, 5.Nc3 a6 6.g31.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 a6 6.g3
<br />A32 English: Symmetrical, Two Knights, 5.Nc3 Bb41.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Bb4
<br />A32 English: Symmetrical, Two Knights, 5.Nc3 Bb4 6.Qb31.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Bb4 6.Qb3
<br />A32 English: Symmetrical, Two Knights, 5.Nc3 Bb4 6.Nb51.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Bb4 6.Nb5
<br />A32 English: Symmetrical, Two Knights, 5.Nc3 Bb4 6.Bd21.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Bb4 6.Bd2
<br />A32 English: Symmetrical, Two Knights, 5.Nc3 Bb4 6.Bd2 Nc61.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Bb4 6.Bd2 Nc6
<br />A33 English: Symmetrical, Two Knights, 5.Nc3 Nc61.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6
<br />A33 English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.Bf41.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.Bf4
<br />A33 English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.Bg51.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.Bg5
<br />A33 English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.e31.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.e3
<br />A33 English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.a31.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.a3
<br />A33 English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.a3 Bc51.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.a3 Bc5
<br />A33 English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.Ndb51.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.Ndb5
<br />A33 English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.Ndb5 Bb41.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.Ndb5 Bb4
<br />A33 English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.Ndb5 d51.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.Ndb5 d5
<br />A33 English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.Ndb5 d5 Queenswap1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.Ndb5 d5 7.Bf4 e5 8.cxd5 exf4 9.dxc6 bxc6 10.Qxd8+ Kxd8
<br />A33 English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.g31.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.g3
<br />A33 English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.g3 a61.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.g3 a6
<br />A33 English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.g3 Bb41.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.g3 Bb4
<br />A33 English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.g3 Bc51.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.g3 Bc5
<br />A33 English: Symmetrical, Geller Variation1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.g3 Qb6
<br />A33 English: Symmetrical, Geller, 7.Nb31.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.g3 Qb6 7.Nb3
<br />A33 English: Symmetrical, Geller, 7.Nb3 Ne51.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.g3 Qb6 7.Nb3 Ne5
<br />A34 English: Symmetrical1.c4 c5 2.Nc3
<br />A34 English: Symmetrical, 2...b61.c4 c5 2.Nc3 b6
<br />A34 English: Symmetrical, 2...b6 3.Nf31.c4 c5 2.Nc3 b6 3.Nf3
<br />A34 English: Symmetrical, 2...b6 3.Nf3 Bb71.c4 c5 2.Nc3 b6 3.Nf3 Bb7
<br />A34 English: Symmetrical, 2...g61.c4 c5 2.Nc3 g6
<br />A34 English: Symmetrical, 2...g6 3.Nf31.c4 c5 2.Nc3 g6 3.Nf3
<br />A34 English: Symmetrical, 2...g6 3.g31.c4 c5 2.Nc3 g6 3.g3
<br />A34 English: Symmetrical, 2...g6 3.g3 Bg7 4.Bg21.c4 c5 2.Nc3 g6 3.g3 Bg7 4.Bg2
<br />A34 English: Symmetrical, 2...Nf61.c4 c5 2.Nc3 Nf6
<br />A34 English: Symmetrical, 2...Nf6 3.g31.c4 c5 2.Nc3 Nf6 3.g3
<br />A34 English: Symmetrical, 2...Nf6 3.g3 d51.c4 c5 2.Nc3 Nf6 3.g3 d5
<br />A34 English: Symmetrical, 2...Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg21.c4 c5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2
<br />A34 English: Symmetrical, Rubinstein System1.c4 c5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nc7
<br />A34 English: Symmetrical, 3 Knight's1.c4 c5 2.Nc3 Nf6 3.Nf3
<br />A34 English: Symmetrical, 3 Knight's, 3...b61.c4 c5 2.Nc3 Nf6 3.Nf3 b6
<br />A34 English: Symmetrical, 3 Knight's, 3...e61.c4 c5 2.Nc3 Nf6 3.Nf3 e6
<br />A34 English: Symmetrical, 3 Knight's, 3...e6 4.g31.c4 c5 2.Nc3 Nf6 3.Nf3 e6 4.g3
<br />A34 English: Symmetrical, 3 Knight's, 3...g61.c4 c5 2.Nc3 Nf6 3.Nf3 g6
<br />A34 English: Symmetrical, 3 Knight's1.c4 c5 2.Nc3 Nf6 3.Nf3 d5
<br />A34 English: Symmetrical, 3 Knight's, Exchange1.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5
<br />A34 English: Symmetrical, 3 Knight's, 5.g31.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 5.g3
<br />A34 English: Symmetrical, 3 Knight's, 5.e41.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 5.e4
<br />A34 English: Symmetrical, 3 Knight's, 5.e4 Nxc31.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 5.e4 Nxc3
<br />A34 English: Symmetrical, 3 Knight's, Queen Swap1.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.dxc3 Qxd1+ 7.Kxd1
<br />A34 English: Symmetrical, 3 Knight's, 5.e4 Nb41.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 5.e4 Nb4
<br />A34 English: Symmetrical, 3 Knight's, 5.e4 Nb4 6.Bb5+1.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 5.e4 Nb4 6.Bb5+
<br />A34 English: Symmetrical, 3 Knight's, 5.e4 Nb4 6.Bc41.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 5.e4 Nb4 6.Bc4
<br />A34 English: Symmetrical, 3 Knight's, 5.d41.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 5.d4
<br />A34 English: Symmetrical, 3 Knight's, 5.d4 cxd41.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 5.d4 cxd4
<br />A34 English: Symmetrical, 3 Knight's, 5.d4 Nxc31.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 5.d4 Nxc3
<br />A35 English: Symmetrical1.c4 c5 2.Nc3 Nc6
<br />A35 English: Symmetrical, 2.Nc3 Nc6 3.e31.c4 c5 2.Nc3 Nc6 3.e3
<br />A35 English: Symmetrical, 2.Nc3 Nc6 3.Nf31.c4 c5 2.Nc3 Nc6 3.Nf3
<br />A35 English: Symmetrical, 2.Nc3 Nc6 3.Nf3 g61.c4 c5 2.Nc3 Nc6 3.Nf3 g6
<br />A35 English: Symmetrical, 2.Nc3 Nc6 3.Nf3 g6 4.e31.c4 c5 2.Nc3 Nc6 3.Nf3 g6 4.e3
<br />A35 English: Symmetrical, 2.Nc3 Nc6 3.Nf3 g6 4.e3 Bg71.c4 c5 2.Nc3 Nc6 3.Nf3 g6 4.e3 Bg7
<br />A35 English: Symmetrical, Four Knights1.c4 c5 2.Nc3 Nc6 3.Nf3 Nf6
<br />A35 English: Symmetrical, Four Knights, 4.d41.c4 c5 2.Nc3 Nc6 3.Nf3 Nf6 4.d4
<br />A35 English: Symmetrical, Four Knights, 4.e31.c4 c5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3
<br />A35 English: Symmetrical, Four Knights, 4.e3 e51.c4 c5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 e5
<br />A35 English: Symmetrical, Four Knights, 4.g31.c4 c5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3
<br />A35 English: Symmetrical, Four Knights, 4.g3 d51.c4 c5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5
<br />A35 English: Symmetrical, Four Knights, 4.g3 d5 5.cxd51.c4 c5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5
<br />A36 English: Symmetrical, 3.g31.c4 c5 2.Nc3 Nc6 3.g3
<br />A36 English: Symmetrical, 3.g3 Nf61.c4 c5 2.Nc3 Nc6 3.g3 Nf6
<br />A36 English: Symmetrical, 3.g3 e61.c4 c5 2.Nc3 Nc6 3.g3 e6
<br />A36 English: Symmetrical, 3.g3 e6 4.Nf31.c4 c5 2.Nc3 Nc6 3.g3 e6 4.Nf3
<br />A36 English: Symmetrical, Keres-Parma System1.c4 c5 2.Nc3 Nc6 3.g3 e6 4.Nf3 Nf6
<br />A36 English: Symmetrical, Keres-Parma, Main Line Exchange1.c4 c5 2.Nc3 Nc6 3.g3 e6 4.Nf3 Nf6 5.Bg2 Be7 6.O-O d5 7.cxd5 Nxd5
<br />A36 English: Symmetrical, 3.g3 g61.c4 c5 2.Nc3 Nc6 3.g3 g6
<br />A36 English: Symmetrical, 3.g3 g6 4.Bg21.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2
<br />A36 English: Symmetrical, 3.g3 g6 4.Bg2 Bg71.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7
<br />A36 English: Symmetrical, 5.d31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3
<br />A36 English: Symmetrical, 5.a31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.a3
<br />A36 English: Symmetrical, 5.a3 e61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.a3 e6
<br />A36 English: Symmetrical, 5.a3 d61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.a3 d6
<br />A36 English: Symmetrical, 5.b31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.b3
<br />A36 English: Symmetrical, 5.e31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3
<br />A36 English: Symmetrical, 5.e3 e5 (Botvinnik Reversed)1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 e5
<br />A36 English: Symmetrical, 5.e3 e61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 e6
<br />A36 English: Symmetrical, 5.e3 e6 6.Nge21.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 e6 6.Nge2
<br />A36 English: Symmetrical, 5.e3 e6 6.Nge2 Nge71.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 e6 6.Nge2 Nge7
<br />A36 English: Symmetrical, Botvinnik System1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4
<br />A36 English: Symmetrical, Botvinnik System, 5...Nf61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 Nf6
<br />A36 English: Symmetrical, Botvinnik System, 5...Nf6 6.Nge21.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 Nf6 6.Nge2
<br />A36 English: Symmetrical, Botvinnik System, 5...e61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 e6
<br />A36 English: Symmetrical, Botvinnik System, 5...e6 6.Nge2 Nge71.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 e6 6.Nge2 Nge7
<br />A36 English: Symmetrical, Botvinnik System, 5...e6, 8.d31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 e6 6.Nge2 Nge7 7.O-O O-O 8.d3
<br />A36 English: Symmetrical, Botvinnik System, 5...e6, 8.d3 d61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 e6 6.Nge2 Nge7 7.O-O O-O 8.d3 d6
<br />A36 English: Symmetrical, Botvinnik System, 5...d61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 d6
<br />A36 English: Symmetrical, Botvinnik System, 5...d6 6.Nge21.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 d6 6.Nge2
<br />A36 English: Symmetrical, Botvinnik System, 5...d6 6.Nge2 Nf61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 d6 6.Nge2 Nf6
<br />A36 English: Symmetrical, Botvinnik System, 5...d6, 7.O-O O-O1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 d6 6.Nge2 Nf6 7.O-O O-O
<br />A36 English: Symmetrical, Botvinnik System, 5...d6, 8.d31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 d6 6.Nge2 Nf6 7.O-O O-O 8.d3
<br />A36 English: Symmetrical, Botvinnik System, 5...d6, 8.d3 Rb81.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 d6 6.Nge2 Nf6 7.O-O O-O 8.d3 Rb8
<br />A36 English: Symmetrical, Botvinnik System, 5...d6, 8.d3 Ne81.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 d6 6.Nge2 Nf6 7.O-O O-O 8.d3 Ne8
<br />A36 English: Symmetrical, Botvinnik System, 5...d6, 8.d3 a61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 d6 6.Nge2 Nf6 7.O-O O-O 8.d3 a6
<br />A37 English: Symmetrical, 5.Nf31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3
<br />A37 English: Symmetrical, 5.Nf3 a61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 a6
<br />A37 English: Symmetrical, 5.Nf3 Nh61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nh6
<br />A37 English: Symmetrical, 5.Nf3 Nh6 6.O-O1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nh6 6.O-O
<br />A37 English: Symmetrical, 5.Nf3 d61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 d6
<br />A37 English: Symmetrical, 5.Nf3 d6 6.d31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 d6 6.d3
<br />A37 English: Symmetrical, 5.Nf3 d6 6.O-O1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 d6 6.O-O
<br />A37 English: Symmetrical, 5.Nf3 d6 6.O-O Nh61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 d6 6.O-O Nh6
<br />A37 English: Symmetrical, 5.Nf3 e61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e6
<br />A37 English: Symmetrical, 5.Nf3 e6 6.d31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e6 6.d3
<br />A37 English: Symmetrical, 5.Nf3 e6 6.e31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e6 6.e3
<br />A37 English: Symmetrical, 5.Nf3 e6 6.O-O1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e6 6.O-O
<br />A37 English: Symmetrical, 5.Nf3 e6 6.O-O Nge71.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e6 6.O-O Nge7
<br />A37 English: Symmetrical, 5.Nf3 e6 6.O-O Nge7 7.e31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e6 6.O-O Nge7 7.e3
<br />A37 English: Symmetrical, 5.Nf3 e6 6.O-O Nge7 7.d31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e6 6.O-O Nge7 7.d3
<br />A37 English: Symmetrical, 5.Nf3 e6 6.O-O Nge7 7.d3 O-O1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e6 6.O-O Nge7 7.d3 O-O
<br />A37 English: Symmetrical, 5.Nf3 e6 6.O-O Nge7 7.d3 O-O 8.Bd21.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e6 6.O-O Nge7 7.d3 O-O 8.Bd2
<br />A37 English: Symmetrical, 5.Nf3 e51.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5
<br />A37 English: Symmetrical, 5.Nf3 e5 6.a31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.a3
<br />A37 English: Symmetrical, 5.Nf3 e5 6.d31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.d3
<br />A37 English: Symmetrical, 5.Nf3 e5 6.d3 Nge71.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.d3 Nge7
<br />A37 English: Symmetrical, 5.Nf3 e5 6.O-O1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.O-O
<br />A37 English: Symmetrical, 5.Nf3 e5 6.O-O d61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.O-O d6
<br />A37 English: Symmetrical, 5.Nf3 e5 6.O-O d6 7.d31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.O-O d6 7.d3
<br />A37 English: Symmetrical, 5.Nf3 e5 6.O-O d6 7.d3 Nge71.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.O-O d6 7.d3 Nge7
<br />A37 English: Symmetrical, 5.Nf3 e5 6.O-O d6 7.d3 Nge7 8.a31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.O-O d6 7.d3 Nge7 8.a3
<br />A37 English: Symmetrical, 5.Nf3 e5 6.O-O Nge71.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.O-O Nge7
<br />A37 English: Symmetrical, 5.Nf3 e5 6.O-O Nge7 7.d31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.O-O Nge7 7.d3
<br />A37 English: Symmetrical, 5.Nf3 e5 6.O-O Nge7 7.d3 O-O1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.O-O Nge7 7.d3 O-O
<br />A37 English: Symmetrical, 5.Nf3 e5 6.O-O Nge7 7.d3 O-O 8.a31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 6.O-O Nge7 7.d3 O-O 8.a3
<br />A38 English: Symmetrical, Main Line1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6
<br />A38 English: Symmetrical, Main Line, 6.d41.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.d4
<br />A38 English: Symmetrical, Main Line, 6.O-O1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O
<br />A38 English: Symmetrical, Main Line, 6.O-O d51.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O d5
<br />A38 English: Symmetrical, Main Line, 6.O-O d61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O d6
<br />A38 English: Symmetrical, Main Line, 6.O-O O-O1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O
<br />A38 English: Symmetrical, Main Line, 7.Rb11.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.Rb1
<br />A38 English: Symmetrical, Main Line, 7.b31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.b3
<br />A38 English: Symmetrical, Main Line, 7.a31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.a3
<br />A38 English: Symmetrical, Main Line, 7.a3 d61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.a3 d6
<br />A38 English: Symmetrical, Main Line, 7.d31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d3
<br />A38 English: Symmetrical, Main Line, 7.d3 a61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d3 a6
<br />A38 English: Symmetrical, Main Line, 7.d3 d51.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d3 d5
<br />A38 English: Symmetrical, Main Line, 7.d3 d61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d3 d6
<br />A38 English: Symmetrical, Main Line, 7.d3 d6 8.Rb11.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d3 d6 8.Rb1
<br />A38 English: Symmetrical, Main Line, 7.d3 d6 8.Bd21.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d3 d6 8.Bd2
<br />A38 English: Symmetrical, Main Line, 7.d3 d6 8.a31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d3 d6 8.a3
<br />A38 English: Symmetrical, Main Line, 7.d3 d6 8.a3 a61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d3 d6 8.a3 a6
<br />A39 English: Symmetrical, Main Line 7.d41.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4
<br />A39 English: Symmetrical, Main Line 7.d4 cxd41.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4
<br />A39 English: Symmetrical, Main Line 7.d4 cxd4 8.Nxd41.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4
<br />A39 English: Symmetrical, Main Line 7.d4, 8...Qa51.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Qa5
<br />A39 English: Symmetrical, Main Line 7.d4, 8...Qb61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Qb6
<br />A39 English: Symmetrical, Main Line 7.d4, 8...Qb61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Qb6 9.Nc2
<br />A39 English: Symmetrical, Main Line 7.d4, 8...a61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 a6
<br />A39 English: Symmetrical, Main Line 7.d4, 8...d61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 d6
<br />A39 English: Symmetrical, Main Line 7.d4, 8...Ng41.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Ng4
<br />A39 English: Symmetrical, Main Line 7.d4, 8...Ng4 9.e3 d61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Ng4 9.e3 d6
<br />A39 English: Symmetrical, Main Line 7.d4, 8...Nxd41.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Nxd4
<br />A39 English: Symmetrical, Main Line 7.d4, 9.Qxd41.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Nxd4 9.Qxd4
<br />A39 English: Symmetrical, Main Line 7.d4, 9...d61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Nxd4 9.Qxd4 d6
<br />A39 English: Symmetrical, Main Line 7.d4, 10.Qd21.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Nxd4 9.Qxd4 d6 10.Qd2
<br />A39 English: Symmetrical, Main Line 7.d4, 10.Qd31.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Nxd4 9.Qxd4 d6 10.Qd3
<br />A39 English: Symmetrical, Main Line 7.d4, 10.Qd3 Bf51.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Nxd4 9.Qxd4 d6 10.Qd3 Bf5
<br />A39 English: Symmetrical, Main Line 7.d4, 10.Qd3 Rb81.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Nxd4 9.Qxd4 d6 10.Qd3 Rb8
<br />A39 English: Symmetrical, Main Line 7.d4, 10.Qd3 a61.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Nxd4 9.Qxd4 d6 10.Qd3 a6
<br />A39 English: Symmetrical, Main Line 7.d4, 10.Qd3 a6 11.Bd21.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Nxd4 9.Qxd4 d6 10.Qd3 a6 11.Bd2
<br />A39 English: Symmetrical, Main Line 7.d4, 10.Qd3 a6 11.Bd2 Rb81.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Nxd4 9.Qxd4 d6 10.Qd3 a6 11.Bd2 Rb8
<br />A39 English: Symmetrical, Main Line 7.d4, 10.Qd3 a6 11.Bd2 Rb8 12.Rac11.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Nxd4 9.Qxd4 d6 10.Qd3 a6 11.Bd2 Rb8 12.Rac1
 
 
 
</div>
‏</ref>
 
להלן אחת מהאפשרויות המאפיינות את הפתיחה האנגלית בנוסח הנקרא "נוסח ארבעת הפרשים".
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הפתיחה האנגלית לאחר המסע השני<br /> היא [[ההגנה הסיציליאנית]]
בהיפוך צבעים
|pl|pl| |pl|pl|pl| |pl|=
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|העמדה לאחר המסע הרביעי
|pl|pl| |pl|pl|pl|bl|pl|=
|rl| |bl|ql| |rl|kl| |=
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|העמדה לאחר המסע הששי
|pl|pl| |pl|pl|pl|bl|pl|=
|rl| |bl|ql| |rl|kl| |=
|2030}}
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|העמדה לאחר המסע השביעי
|pl| | |pl|pl|pl|bl|pl|=
|rl| |bl|ql| |rl|kl| |=
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|העמדה לאחר המסע השמיני
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==הערות שוליים==
<references />
[[קטגוריה:פתיחות שחמט|אנגלית, פתיחה]]
 
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עריכות