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Chess Opening Explorer
1. d4 Nf6   2. c4 e6   3. Nf3 b6   4. Nc3 
diagram
Black to move
5,104 games · 1898-2025
 move games white wins - draws - black wins %
4...Bb4  3,886

34.5%

36.7%

28.8%
4...Bb7  3,767

33.4%

41.5%

25.1%
4...d5  166

61.4%

19.3%

19.3%
4...Ba6  14

64.3%

28.6%

4...c5  13

46.2%


46.2%
4...Be7  8

50%

50%

4...Bb4 -0.21 (45 ply) STOCKFISH   EDIT NOTES

NOTABLE GAMES: (?)
Kasparov vs Portisch, 1983 (1-0)
Tal vs Hecht, 1962 (1-0)
Petrosian vs Smyslov, 1961 (1-0)
Seirawan vs Timman, 1990 (1-0)
Kasparov vs Karpov, 1986 (0-1)

DEBUT: B Siegheim vs R P Michell, 1903 (0-1)
RECENT: S Ivanov vs M Schekachikhin, 2018 (1-0)

GAME COLLECTIONS:
Qid by lassker

OPENING DESIGNATIONS:
E12: Queen's Indian (4647)
E13: Queen's Indian, 4.Nc3, Main line (275)
E17: Queen's Indian (138)
E52: Nimzo-Indian, 4.e3, Main line with ...b6 (26)
E19: Queen's Indian, Old Main line, 9.Qxc3 (8)
E43: Nimzo-Indian, Fischer Variation (3)
E18: Queen's Indian, Old Main line, 7.Nc3 (2)
E53: Nimzo-Indian, 4.e3 (2)
D58: Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst (1)

FEN:
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