Bogo-Indian Defense: Grünfeld Variation (4.Nbd2) and Other Continuations
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+
Main Transpositions
Most Popular
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 (686/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 (505/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O (671/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 (1822/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ (5551/M). More: dbcn ccoe c365
TCEC Games
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 d6 8. Qc3 Nbd7 (1cp, 15/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 Ne4 8. Qc2 O-O (78cp, 8/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. Qc3 Ne4 8. Qc2 O-O (5cp, 30/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. Qc3 Ne4 8. Qc2 f5 (6cp, 13/M, TCEC +1=0-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 O-O (18cp, 57/M, TCEC +0=0-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Bxd2 Bb7 7. Bg5 d6 8. e3 Nbd7 (8cp, 53/M, TCEC +1=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Bxd2 Bb7 7. Bg5 d6 8. e3 O-O (16cp, 14/M, TCEC +0=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Bxd2 Bb7 7. Bg5 d6 (1cp, 60/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. a3 Be7 (2cp, 58/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O c5 8. a3 Bxd2 (24cp, 16/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. e3 Bb7 6. Bd3 Ne4 7. O-O f5 (62cp, 13/M, TCEC +1=4-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 (18cp, 686/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d5 7. e5 Nfd7 8. Bd3 c5 9. h4 (-4cp, 23/M, TCEC +2=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d5 7. e5 Nfd7 8. Bd3 c5 9. Qc2 h6 10. O-O a5 (2cp, 0/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d5 7. e5 Nfd7 8. Bd3 c5 (4cp, 48/M, TCEC +0=2-2). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d5 7. e5 Nfd7 8. b4 a5 (1cp, 20/M, TCEC +0=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d5 7. e5 Nfd7 8. cxd5 exd5 (0cp, 21/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d5 7. Bd3 dxe4 8. Nxe4 Nc6 (106cp, 1/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d6 7. Be2 Nbd7 8. Qc2 c5 9. d5 e5 (115cp, 1/M, TCEC +3=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d6 (25cp, 113/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Bxd2 d6 7. Bg5 h6 8. Bh4 Qe7 9. e3 e5 10. Qc2 Bg4 (22cp, 0/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 (-2cp, 505/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. g3 d6 6. Bg2 Nc6 (51cp, 13/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O (2cp, 671/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. e3 Ne4 (53cp, 0/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 (9cp, 270/M, TCEC +2=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ (3cp, 5551/M, TCEC +2=10-1). Games. More: dbcn ccoe c365
Biased Popular Lines
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 O-O 8. Be2 d6 9. O-O Nbd7 10. b4 Ne4 11. Qc2 f5 12. Bb2 Rf6 (75cp, -22cp; 10/M, 36%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 O-O 8. Be2 d6 9. O-O Nbd7 10. b4 Ne4 11. Qc2 f5 (70cp, -22cp; 39/M, 107%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 O-O 8. Be2 Ne4 9. Qc2 f5 10. O-O d6 (65cp, -15cp; 11/M, 93%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 O-O 8. Bd3 Ne4 (67cp, -58cp; 7/M, 40%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 Ne4 8. Qc2 O-O (67cp, -4cp; 8/M, 61%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O Bxd2 8. Nxd2 d6 (81cp, -31cp; 7/M, 62%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d5 7. e5 Ne4 (107cp, -101cp; 9/M, 9%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d6 7. Bd3 c5 (70cp, -46cp; 8/M, 20%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 O-O 8. Be2 d6 9. O-O Nbd7 10. b4 Ne4 11. Qc2 f5 12. Bb2 Rf6 13. d5 Rg6 (185cp, -110cp; 6/M, 59%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 O-O 8. Be2 d6 9. O-O Nbd7 10. Qc3 Ne4 11. Qc2 f5 12. b4 Rf6 13. d5 exd5 (134cp, -134cp; 5/M, 33%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19