(T) Old Indian Defense: Ukrainian, Two Knights Variation, 4…Nbd7
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5
Main Transpositions
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 g6 6. Be2 Bg7 to 1. .. g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. Nf3 e5 6. Be2 Ngf6
Most Popular
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O (765/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O (530/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 (547/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 (543/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 (616/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 6. Be2 (499/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 (561/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 (1037/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 (1261/M). More: dbcn ccoe c365
TCEC Games
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Re1 a6 (59cp, 105/M, TCEC +2=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Re1 Re8 (62cp, 74/M, TCEC +3=3-2). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Qc2 a6 (83cp, 96/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Qc2 Re8 (84cp, 67/M, TCEC +2=8-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Qc2 Qc7 (97cp, 51/M, TCEC +4=6-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Qc2 (-83cp, 206/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Be3 a6 (78cp, 51/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Be3 Ng4 (82cp, 20/M, TCEC +3=5-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Be3 Qc7 (99cp, 20/M, TCEC +3=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Be3 h6 (95cp, 4/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Rb1 a6 (55cp, 19/M, TCEC +3=3-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. d5 Nc5 (51cp, 15/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O (83cp, 765/M, TCEC +6=7-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O Qc7 8. Re1 a6 (94cp, 0/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O Qc7 (94cp, 56/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 (83cp, 547/M, TCEC +2=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 g6 (92cp, 59/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Qc7 (99cp, 22/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 a6 7. O-O b5 8. a3 Be7 (93cp, 2/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 (83cp, 616/M, TCEC +7=10-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 6. Be2 O-O 7. O-O Re8 8. Be3 Bf8 (85cp, 1/M, TCEC +3=5-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 6. Be2 O-O 7. O-O (-81cp, 403/M, TCEC +3=3-2). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 6. Be2 O-O (81cp, 414/M, TCEC +4=6-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 6. Be2 (-76cp, 499/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 6. g3 O-O (65cp, 29/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 6. Bd3 c6 7. O-O Qc7 (97cp, 2/M, TCEC +1=2-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 (82cp, 561/M, TCEC +6=9-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 (-55cp, 1037/M, TCEC +3=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 a6 (81cp, 111/M, TCEC +4=6-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 Re8 (81cp, 77/M, TCEC +2=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 h6 (84cp, 3/M, TCEC +2=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 (-80cp, 249/M, TCEC +2=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. Qc2 Re8 (82cp, 85/M, TCEC +1=2-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. Qc2 Rb8 (112cp, 1/M, TCEC +3=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O (80cp, 333/M, TCEC +2=6-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. e4 O-O (80cp, 93/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 (56cp, 159/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 Be7 6. Bg2 O-O 7. O-O Re8 8. Qc2 Bf8 (81cp, 3/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 Be7 6. Bg2 O-O (65cp, 162/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 Be7 (56cp, 140/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. Bg5 Be7 6. e3 c6 7. Qc2 O-O 8. Bd3 h6 (15cp, 24/M, TCEC +1=2-2). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. Bg5 Be7 (14cp, 202/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. Bg5 c6 6. e3 Qa5 7. Qd2 g6 (76cp, 0/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 (55cp, 1261/M, TCEC +7=6-1). Games. More: dbcn ccoe c365
Biased Popular Lines
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Re1 Re8 9. Bf1 Qc7 (86cp, -25cp; 37/M, 68%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Qc2 Re8 9. Rd1 Bf8 (100cp, -23cp; 9/M, 20%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Qc2 Re8 9. h3 Qc7 (96cp, -25cp; 9/M, 96%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Qc2 Qc7 (93cp, -11cp; 51/M, 24%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Be3 a6 9. d5 c5 (126cp, -50cp; 9/M, 19%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Be3 Re8 9. d5 c5 (136cp, -50cp; 14/M, 51%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Be3 Re8 (86cp, -19cp; 32/M, 25%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Be3 Qc7 (96cp, -29cp; 20/M, 15%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. h3 a6 9. a4 a5 (92cp, -35cp; 10/M, 92%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. h3 Qc7 9. Be3 Re8 (104cp, -8cp; 21/M, 79%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. h3 Qc7 (96cp, -25cp; 25/M, 27%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. d5 c5 (142cp, -115cp; 10/M, 22%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O Qc7 (90cp, -10cp; 56/M, 10%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 g6 (99cp, -18cp; 59/M, 10%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Qc7 (96cp, -15cp; 22/M, 4%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 (81cp, -49cp; 616/M, 59%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 6. Be2 O-O 7. O-O exd4 8. Nxd4 Nc5 (112cp, -16cp; 8/M, 47%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 6. Be2 O-O 7. O-O exd4 (96cp, -15cp; 13/M, 3%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 (80cp, -48cp; 561/M, 54%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 exd4 (94cp, -62cp; 17/M, 1%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 a6 9. a4 a5 10. h3 Re8 11. Be3 exd4 (80cp, -7cp; 8/M, 45%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 a6 9. a4 a5 10. h3 Re8 11. Be3 Bf8 (80cp, -7cp; 7/M, 43%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 a6 9. a4 a5 10. h3 Re8 11. Be3 Qc7 (81cp, -8cp; 7/M, 42%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 a6 9. a4 a5 10. h3 Qc7 (79cp, -6cp; 7/M, 25%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 Re8 9. h3 Qc7 10. Be3 Bf8 (101cp, -20cp; 12/M, 41%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 Re8 9. h3 Qc7 10. Be3 Nf8 (107cp, -26cp; 11/M, 35%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 Re8 9. h3 Qc7 (81cp, -63cp; 37/M, 74%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 Re8 9. h3 Bf8 (89cp, -71cp; 23/M, 46%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 Re8 (75cp, -3cp; 77/M, 31%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 Qc7 (81cp, -9cp; 65/M, 26%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O (72cp, -70cp; 333/M, 199%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O Qc7 8. e4 Nf8 9. h3 Ng6 (107cp, -10cp; 7/M, 93%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O Qc7 8. e4 Nf8 (102cp, -21cp; 11/M, 38%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. O-O Qc7 (81cp, -79cp; 30/M, 18%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. e4 O-O (69cp, -48cp; 93/M, 106%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Be7 7. e4 Qc7 (81cp, -60cp; 16/M, 19%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 c6 6. Bg2 Qc7 (81cp, -78cp; 11/M, 7%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 Be7 6. Bg2 O-O 7. O-O Re8 (75cp, -3cp; 33/M, 15%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 Be7 6. Bg2 O-O (71cp, -33cp; 162/M, 89%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. Be3 Re8 9. d5 c5 (136cp, -50cp; 14/M, 51%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 c6 6. Be2 Be7 7. O-O O-O 8. d5 c5 (142cp, -115cp; 10/M, 22%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19