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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3

diagram

Black to move
802 games · 1851-2025
search database for this position

move

games

white wins - draws - black wins %

5...d5

1,539

33.9%

39.4%

26.6%

5...c5

882

30.8%

41.5%

27.7%

5...b6

264

36.7%

37.1%

26.1%

5...Nc6

67

31.3%

44.8%

23.9%

5...d6

19

36.8%

42.1%

21.1%

5...Bxc3+

9

33.3%

22.2%

44.4%

5...Re8

8

25%

37.5%

37.5%

5...Ne4

5

60%

20%

20%

5...Qe7

2

100%

5...c6

2

50%

50%

5...b6 -0.36 (41 ply)

NOTABLE GAMES: (?)
Reshevsky vs Alekhine, 1938 (1/2-1/2)
Korchnoi vs Simagin, 1960 (1-0)
A Ramirez Alvarez vs Sadvakasov, 2004 (0-1)
Petrosian vs Keres, 1952 (1-0)
Vaganian vs Karpov, 1969 (0-1)

DEBUT: Cochrane vs Mohishunder, 1851 (1-0)
RECENT: Tran Tuan Minh vs Wang Hao, 2017 (1/2-1/2)

OPENING DESIGNATIONS:
E51: Nimzo-Indian, 4.e3 (185)
E46: Nimzo-Indian (124)
E50: Nimzo-Indian, 4.e3 O-O 5.Nf3, without ...d5 (96)
E53: Nimzo-Indian, 4.e3 (89)
E54: Nimzo-Indian, 4.e3, Gligoric System (70)
E59: Nimzo-Indian, 4.e3, Main line (54)
E55: Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation (53)
E21: Nimzo-Indian, Three Knights (37)
E58: Nimzo-Indian, 4.e3, Main line with 8...Bxc3 (33)

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