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

Nimzo-Indian Defense: Three Knights Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3

Main Transpositions

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 to 3. Nf3 b6 4. Nc3 Bb7 5. e3 Bb4
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 cxd4 6. Nxd4 to 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 Bb4 6. g3

Most Popular

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 (539/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 (663/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 (1456/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 (506/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 (622/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 (1967/M). More: dbcn ccoe c365

TCEC Games

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 h6 7. Bh4 Bxc3+ 8. bxc3 d6 9. Bd3 Nbd7 10. Qc2 O-O (-2cp, 2/M, TCEC +0=0-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 h6 7. Bh4 Bxc3+ 8. bxc3 Qe7 (1cp, 7/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 h6 7. Bh4 Bxc3+ 8. bxc3 g5 (0cp, 4/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 h6 (0cp, 258/M, TCEC +1=5-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 Bxc3+ 7. bxc3 d6 8. Nd2 Nbd7 (3cp, 6/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. Nd2 Nc6 (13cp, 2/M, TCEC +1=0-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. Qb3 a5 7. e3 h6 8. Bh4 d6 9. a3 a4 10. Qc2 Bxc3+ 11. bxc3 Nbd7 12. Bd3 Ra5 (7cp, 0/M, TCEC +0=2-2). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 h6 6. Bh4 Bb7 7. Nd2 Bxc3 8. bxc3 d6 (33cp, 31/M, TCEC +2=1-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 h6 6. Bh4 Bb7 7. Nd2 Bxc3 8. bxc3 g5 (11cp, 6/M, TCEC +1=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 h6 6. Bh4 Bb7 7. Nd2 Nc6 8. e3 Bxc3 (4cp, 4/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 h6 6. Bh4 g5 7. Bg3 Ne4 8. Qc2 Bb7 (0cp, 77/M, TCEC +0=3-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 h6 6. Bh4 g5 (0cp, 66/M, TCEC +0=0-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 c5 6. Bg5 Bb7 (0cp, 31/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 a5 6. g3 Nc6 7. Bg2 a4 8. Qc2 Ba6 (99cp, 1/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qc2 Bb7 6. a3 Bxc3+ (0cp, 114/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 (1cp, 1456/M, TCEC +1=3-2). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Nc6 6. Bg2 Bxc3+ (58cp, 0/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Bxc3+ 6. bxc3 Qa5 7. Bd2 b6 8. Bg2 Bb7 (66cp, 7/M, TCEC +2=1-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Bxc3+ 6. bxc3 Qa5 7. Qd3 Ne4 8. Bd2 f5 (103cp, 0/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Qa5 (65cp, 1/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 b5 (90cp, 1/M, TCEC +1=5-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 (16cp, 22/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 (1cp, 622/M, TCEC +1=2-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 Qa5 (84cp, 6/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nc6 (20cp, 247/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Ne4 5. Qc2 f5 6. g3 c5 7. Bg2 Qa5 (53cp, 0/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Ne4 5. Qc2 f5 6. g3 c5 (53cp, 1/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 (-1cp, 1967/M, TCEC +0=9-1). Games. More: dbcn ccoe c365

Biased Popular Lines

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 h6 7. Bh4 g5 8. Bg3 Ne4 9. Qc2 Bxc3+ 10. bxc3 d6 11. Bd3 f5 12. d5 exd5 13. cxd5 Bxd5 14. Nd4 Qf6 15. f3 Nxg3 (89cp, -53cp; 8/M, 90%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 h6 7. Bh4 O-O 8. Bd3 d5 (75cp, -63cp; 11/M, 31%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 O-O 7. Bd3 d5 (72cp, -63cp; 8/M, 28%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Bxc3+ 6. bxc3 Qa5 7. Bd2 b6 (70cp, -59cp; 7/M, 83%). More: dbcn ccoe c365

Lines with Disagreement to Human Master Play

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 h6 7. Bh4 g5 8. Bg3 Ne4 9. Qc2 Bxc3+ 10. bxc3 d6 11. Bd3 f5 12. d5 exd5 13. cxd5 Bxd5 14. Nd4 Qf6 15. f3 Nxg3 (89cp, -53cp; 8/M, 90%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 h6 7. Bh4 Bxc3+ 8. bxc3 d6 9. Bd3 Nbd7 10. O-O O-O (51cp, -51cp; 15/M, 57%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 h6 7. Bh4 O-O 8. Bd3 d5 (75cp, -63cp; 11/M, 31%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 O-O 7. Bd3 d5 (72cp, -63cp; 8/M, 28%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Bxc3+ 6. bxc3 Qa5 7. Bd2 b6 (70cp, -59cp; 7/M, 83%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 Qa5 (77cp, -76cp; 6/M, 22%). More: dbcn ccoe c365

Latest dbcn data: 2025-12-19

page revision: 26, last edited: 18 Dec 2025 23:22
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