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:

8273

Last Played:

Jun 2026

Overall score:

33.9%

37.7%

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

2767

33 %

35.7 %

31.3 %

4... c5

2680

31.5 %

43.2 %

25.3 %

4... O-O

1465

39 %

33.7 %

27.3 %

4... d5

794

33 %

40.4 %

26.6 %

4... Bxc3+

190

40.5 %

18.4 %

41.1 %

4... Ne4

157

40.8 %

22.9 %

36.3 %

4... d6

119

31.1 %

44.5 %

24.4 %

4... Nc6

30.6 %

35.5 %

33.9 %

4... h6

38.5 %

26.9 %

34.6 %

4... Qe7

28.6 %

42.9 %

28.6 %

4... c6

80 %

20 %