(T) Philidor Defense: Nimzowitsch Variation, 4.Nc3
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3
Main Transpositions
Most Popular
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 (970/M). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 (776/M). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 (897/M). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 (530/M). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 (588/M). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O (1745/M). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O (1956/M). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 (2367/M). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 (2443/M). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 (3056/M). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 (2682/M). More: dbcn ccoe c365
TCEC Games
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 a5 (16cp, 397/M, TCEC +1=5-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 b6 9. Ba2 a6 10. Bg5 Rb8 (32cp, 4/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 b6 (41cp, 357/M, TCEC +2=2-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 h6 (21cp, 69/M, TCEC +2=8-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 8. h3 a5 (35cp, 88/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 8. h3 Qc7 (36cp, 45/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 8. h3 h6 (21cp, 26/M, TCEC +2=4-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 8. a5 Rb8 (15cp, 23/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 (17cp, 530/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O (17cp, 1745/M, TCEC +3=1-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O c6 7. a4 h6 8. Re1 Qc7 (57cp, 38/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O c6 7. a4 h6 8. h3 Qc7 (60cp, 18/M, TCEC +1=5-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O c6 (15cp, 187/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. Bxf7+ (209cp, 42/M, TCEC +0=0-2). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. g4 Nxg4 6. Rg1 h5 (95cp, 1/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. g4 (-2cp, 146/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. dxe5 dxe5 6. Bc4 Be7 7. O-O O-O 8. Qe2 c6 (1cp, 37/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. h3 c6 6. a4 g6 (86cp, 0/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 (16cp, 3056/M, TCEC +3=2-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 exd4 5. Qxd4 Be7 6. Bg5 O-O 7. O-O-O Nc6 8. Qd2 Be6 (26cp, 15/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 exd4 5. Qxd4 Be7 6. Bg5 O-O 7. O-O-O Nc6 8. Qd2 a6 (50cp, 10/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 exd4 5. Qxd4 Be7 (77cp, 58/M, TCEC +0=5-1). Games. More: dbcn ccoe c365
Biased Popular Lines
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 a5 9. h3 h6 10. Ba2 Re8 11. Be3 Bf8 (74cp, -61cp; 8/M, 32%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 a5 9. h3 h6 10. Be3 Qc7 (70cp, -40cp; 8/M, 41%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 a5 9. b3 exd4 10. Nxd4 Nb6 11. Bf1 d5 12. e5 Ne8 (68cp, -37cp; 9/M, 78%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 b6 9. d5 c5 (102cp, -91cp; 20/M, 18%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 b6 9. h3 a6 10. Ba2 Qc7 (95cp, -79cp; 11/M, 20%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 b6 9. h3 a6 10. d5 c5 (101cp, -75cp; 8/M, 84%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 b6 9. b3 a6 10. d5 c5 (93cp, -68cp; 8/M, 74%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 b6 9. Bg5 a6 10. d5 c5 (79cp, -31cp; 8/M, 79%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 Qc7 9. h3 b6 10. Ba2 Bb7 (115cp, -81cp; 7/M, 49%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 exd4 9. Nxd4 Ne5 10. Ba2 Re8 11. h3 Bd7 (80cp, -52cp; 7/M, 50%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 8. h3 a5 9. Be3 Qc7 (73cp, -44cp; 12/M, 47%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 8. h3 b6 9. Qe2 a6 (73cp, -43cp; 24/M, 77%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 8. Qe2 b6 (79cp, -79cp; 27/M, 20%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O c6 7. a4 h6 8. Re1 Qc7 9. h3 Nf8 (96cp, -50cp; 11/M, 57%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. a4 a5 (93cp, -76cp; 11/M, 6%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. Bxf7+ Kxf7 7. Ng5+ Kg8 8. Ne6 Qe8 9. Nxc7 Qg6 10. Nxa8 Qxg2 11. Rf1 exd4 12. Qxd4 Ne5 13. f4 (585cp, -348cp; 9/M, 77%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. Bxf7+ Kxf7 7. Ng5+ Kg8 8. Ne6 Qe8 9. Nxc7 Qg6 10. Nxa8 (237cp, -30cp; 23/M, 64%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. Bxf7+ Kxf7 7. Ng5+ Kg8 8. Ne6 Qe8 9. Nxc7 Qg6 10. O-O (226cp, -19cp; 10/M, 28%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. Bxf7+ (207cp, -225cp; 42/M, 1%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. g4 Nxg4 6. Rg1 exd4 (79cp, -78cp; 19/M, 22%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. g4 exd4 (150cp, -149cp; 8/M, 5%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. dxe5 dxe5 6. Bc4 Be7 7. Bxf7+ (77cp, -77cp; 13/M, 18%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 exd4 5. Qxd4 Be7 (66cp, -52cp; 58/M, 76%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nc6 5. dxe5 dxe5 6. Qxd8+ Nxd8 (212cp, -141cp; 13/M, 46%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nc6 5. dxe5 dxe5 (71cp, -53cp; 28/M, 59%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nc6 5. h3 Be7 (77cp, -68cp; 9/M, 41%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Bg4 (160cp, -145cp; 25/M, 0%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Qe7 (109cp, -94cp; 9/M, 0%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Be7 (207cp, -192cp; 7/M, 0%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 a5 9. h3 Nb6 10. Bf1 Nfd7 (100cp, -53cp; 5/M, 25%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 a5 9. h3 exd4 10. Qxd4 Nc5 11. Bf4 Be6 (78cp, -60cp; 7/M, 51%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 b6 9. h3 a6 10. Ba2 Qc7 (95cp, -79cp; 11/M, 20%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 b6 9. h3 a6 10. d5 c5 (101cp, -75cp; 8/M, 84%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 b6 9. b3 a6 10. d5 c5 (93cp, -68cp; 8/M, 74%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 Qc7 9. h3 b6 10. Ba2 Bb7 (115cp, -81cp; 7/M, 49%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 exd4 9. Nxd4 Ne5 10. Ba2 Re8 11. h3 Bd7 (80cp, -52cp; 7/M, 50%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 8. Qe2 b6 (79cp, -79cp; 27/M, 20%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O c6 7. a4 h6 8. Re1 Qc7 9. h3 Nf8 (96cp, -50cp; 11/M, 57%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O c6 7. a4 h6 8. Re1 Qc7 9. h3 g5 (109cp, -63cp; 6/M, 33%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. Ng5 O-O 7. Bxf7+ Rxf7 8. Ne6 Qe8 9. Nxc7 Qd8 10. Nxa8 b5 11. dxe5 (63cp, -64cp; 9/M, 64%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. Bxf7+ Kxf7 7. Ng5+ Kg8 8. Ne6 Qe8 9. Nxc7 Qg6 10. Nxa8 Qxg2 11. Rf1 exd4 12. Qxd4 Ne5 13. f4 (585cp, -348cp; 9/M, 77%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. g4 Nxg4 6. Rg1 exd4 (79cp, -78cp; 19/M, 22%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 exd4 5. Qxd4 Be7 (66cp, -52cp; 58/M, 76%). More: dbcn ccoe c365
1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nc6 5. dxe5 dxe5 6. Qxd8+ Nxd8 (212cp, -141cp; 13/M, 46%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19