Nimzo-Indian Defense: Normal Line, St. Petersburg Variation (4…b6) and Other Continuations
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3
Main Transpositions
Most Popular
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 (790/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 (1392/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 (7806/M). More: dbcn ccoe c365
TCEC Games
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Bxc3+ 7. Nxc3 d5 8. b3 O-O (2cp, 54/M, TCEC +0=1-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Be7 7. Nf4 d5 8. cxd5 Bxf1 (5cp, 27/M, TCEC +0=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. Ng3 h5 7. h4 Bb7 8. Bd2 a5 (83cp, 0/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. Ng3 h5 7. h4 Bb7 (64cp, 5/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. Ng3 h5 (64cp, 8/M, TCEC +2=8-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 c5 6. a3 Ba5 7. Rb1 Na6 8. Bd2 O-O (0cp, 46/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 c5 6. a3 Ba5 7. Rb1 Na6 8. Ng3 Bb7 (8cp, 15/M, TCEC +2=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 c5 6. a3 Ba5 7. Rb1 Na6 8. Qa4 Bb7 (1cp, 10/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 c5 6. a3 Ba5 7. Rb1 Na6 8. Qa4 Bxc3+ (105cp, 1/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 c5 6. a3 Ba5 7. Rb1 Na6 8. f3 O-O (9cp, 7/M, TCEC +0=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 c5 6. a3 Ba5 7. Bd2 Na6 (92cp, 2/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 c5 6. a3 Ba5 (6cp, 238/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Bb7 6. a3 Be7 7. d5 O-O 8. Ng3 b5 (83cp, 1/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Bb7 6. a3 Be7 7. b4 a5 8. b5 d6 (33cp, 0/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Bb7 6. a3 Bxc3+ 7. Nxc3 d6 8. d5 Nbd7 9. Be2 Qe7 (99cp, 0/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Bb7 6. a3 Bd6 (61cp, 23/M, TCEC +0=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Bd2 Nxd2 7. Qxd2 O-O 8. a3 Be7 (11cp, 16/M, TCEC +2=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Bd2 Nxd2 7. Qxd2 d5 8. cxd5 exd5 (16cp, 2/M, TCEC +1=0-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 (-3cp, 790/M, TCEC +0=1-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. cxd5 exd5 (3cp, 167/M, TCEC +0=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. a3 Bd6 (1cp, 48/M, TCEC +1=1-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. a3 Be7 (12cp, 19/M, TCEC +0=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5 8. Na4 cxd4 (2cp, 98/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5 8. Bd2 d6 (11cp, 14/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O Bxc3 8. bxc3 d6 (22cp, 52/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O Bxc3 8. bxc3 Ne4 (7cp, 48/M, TCEC +2=4-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O Bxc3 8. bxc3 Be4 (23cp, 14/M, TCEC +2=2-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O (1cp, 360/M, TCEC +2=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne4 7. O-O Bxc3 8. bxc3 f5 (56cp, 26/M, TCEC +2=3-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne4 7. O-O Nxc3 8. bxc3 Bxc3 (61cp, 5/M, TCEC +2=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Bxc3+ 7. bxc3 Be4 8. O-O Bxd3 (82cp, 0/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 O-O 7. O-O d5 8. cxd5 Nxd5 (88cp, 1/M, TCEC +1=2-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 O-O 7. a3 Be7 (92cp, 2/M, TCEC +5=5-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 (4cp, 1392/M, TCEC +0=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd2 Nc6 (38cp, 12/M, TCEC +2=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd3 e5 6. dxe5 dxc4 7. Qa4+ (75cp, 2/M, TCEC +0=0-2). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 (2cp, 457/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 d6 6. Bd3 O-O 7. Ne2 b6 (76cp, 3/M, TCEC +2=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 d6 6. Bd3 O-O (51cp, 29/M, TCEC +2=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 c5 6. dxc5 (23cp, 0/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 b6 (38cp, 26/M, TCEC +0=1-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ (35cp, 123/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6 5. Bd3 e5 6. Ne2 d5 (59cp, 10/M, TCEC +2=1-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6 (21cp, 89/M, TCEC +2=0-0). Games. More: dbcn ccoe c365
Biased Popular Lines
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. Ng3 h5 (76cp, -72cp; 8/M, 10%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Bb7 6. a3 Be7 7. d5 d6 (76cp, -41cp; 8/M, 10%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Bb7 6. a3 Be7 7. d5 e5 (110cp, -75cp; 7/M, 10%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Bb7 6. a3 Bxc3+ 7. Nxc3 O-O 8. Bd3 d5 9. O-O Nbd7 (74cp, -59cp; 7/M, 59%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Bb7 6. a3 Bxc3+ 7. Nxc3 O-O 8. Bd3 d6 9. O-O Nbd7 (137cp, -56cp; 7/M, 80%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Bb7 6. a3 Bxc3+ 7. Nxc3 O-O 8. Bd3 d6 (88cp, -72cp; 11/M, 34%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Bb7 6. a3 Bxc3+ 7. Nxc3 d6 (75cp, -56cp; 9/M, 14%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne4 7. Qc2 f5 8. O-O Bxc3 9. bxc3 O-O 10. Nd2 Qh4 11. f3 Ng5 (194cp, -186cp; 12/M, 30%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Bxc3+ 7. bxc3 d6 8. O-O Nbd7 (74cp, -57cp; 10/M, 56%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 O-O 7. O-O c5 (158cp, -150cp; 13/M, 38%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Ne4 5. Qc2 f5 6. Bd3 O-O (98cp, -22cp; 8/M, 45%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Ne4 5. Qc2 f5 (76cp, -37cp; 23/M, 72%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Bb7 6. a3 Bxc3+ 7. Nxc3 O-O 8. Bd3 d5 9. O-O Nbd7 (74cp, -59cp; 7/M, 59%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Bb7 6. a3 Bxc3+ 7. Nxc3 O-O 8. Bd3 d6 (88cp, -72cp; 11/M, 34%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O Bxc3 8. bxc3 d6 9. Nd2 Nbd7 (78cp, -60cp; 6/M, 27%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O Bxc3 8. bxc3 d6 9. Re1 Nbd7 (78cp, -78cp; 6/M, 49%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O Bxc3 8. bxc3 Ne4 9. Ne1 f5 10. f3 Ng5 (69cp, -57cp; 6/M, 23%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne4 7. Qc2 f5 8. O-O Bxc3 9. bxc3 O-O 10. Nd2 Qh4 11. f3 Ng5 (194cp, -186cp; 12/M, 30%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne4 7. O-O Bxc3 8. bxc3 f5 (60cp, -51cp; 26/M, 47%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Bxc3+ 7. bxc3 d6 8. O-O Nbd7 (74cp, -57cp; 10/M, 56%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 O-O 7. O-O c5 (158cp, -150cp; 13/M, 38%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 Bxg2 7. Rg1 Bf3 8. Qc2 (51cp, -51cp; 6/M, 51%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 c5 (56cp, -56cp; 13/M, 28%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6 5. Bd3 e5 6. Ne2 O-O (81cp, -63cp; 6/M, 45%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19