Chess Opening Explorer

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1

Black to move
544 games · 1957-2025
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move

games

white wins - draws - black wins %

11...Qb6

451

39.9%

29.9%

30.2%

11...b4

41.6%

35.1%

23.4%

11...Rc8

38.5%

15.4

46.2%

11...h5

50%

25%

11...Qc7

100%

11...Qb6 +0.33 (26 ply)

NOTABLE GAMES: (?)
J Benjamin vs Z Kozul, 1997 (0-1)
Deep Fritz vs Deep Junior, 2001 (0-1)
Yifan Hou vs Li Chao, 2011 (0-1)
Navara vs Z Kozul, 2006 (1-0)

DEBUT: Krogius vs Geller, 1960 (1-0)
RECENT: A Travkina vs Kosteniuk, 2015 (1/2-1/2)

GAME COLLECTIONS:
Kozul plays Suicide Variation by Deceptor
Sicilian Richter Rauzer for White by prime rib

OPENING DESIGNATIONS:
B67: Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 (532)
B61: Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 (6)
B94: Sicilian, Najdorf (2)
B60: Sicilian, Richter-Rauzer (2)
B56: Sicilian (1)
B62: Sicilian, Richter-Rauzer (1)

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