E21: Nimzo-Indian, three knights variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3

Nimzo-Indian, three knights variation

E21 Sub-variants:

Nimzo-Indian, three knights variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3

Nimzo-Indian, three knights, Korchnoi variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5

Nimzo-Indian, three knights, Euwe variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 Ne4

Overview

Games on Database:

8205

Last Played:

Nov 2025

Overall score:

34%

37.6%

28.4%

Download master games

Played frequently by:

White
Alexei Barsov	72 games
Alexander Moiseenko	66 games
Jiri Stocek	66 games

Black
Anatoly Karpov	26 games
Viswanathan Anand	21 games
Eduardas Rozentalis	20 games

Possible continuations:

4... b6

2749

33.1 %

35.5 %

31.3 %

4... c5

2674

31.5 %

43.2 %

25.3 %

4... O-O

1446

39 %

33.8 %

27.2 %

4... d5

780

33.2 %

40.4 %

26.4 %

4... Bxc3+

183

41 %

18 %

41 %

4... Ne4

157

40.8 %

22.9 %

36.3 %

4... d6

118

31.4 %

44.9 %

23.7 %

4... Nc6

30.6 %

35.5 %

33.9 %

4... h6

39.1 %

21.7 %

39.1 %

4... Qe7

28.6 %

42.9 %

28.6 %

4... c6

80 %

20 %