Philidor Defense: Exchange Variation
1. e4 e5 2. Nf3 d6 4. d4 exd4
Main Transpositions
Most Popular
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 (1197/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 (1411/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 (1154/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 (1570/M). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 (1859/M). More: dbcn ccoe c365
TCEC Games
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. O-O Re8 8. f4 Bf8 (3cp, 66/M, TCEC +2=5-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. O-O Re8 8. Re1 Bf8 (19cp, 34/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. O-O Nc6 8. Be3 Re8 (44cp, 13/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. O-O Nc6 8. Bf4 Ne5 (66cp, 2/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. O-O c5 8. Nb3 Nc6 (13cp, 11/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O (22cp, 347/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 O-O 7. O-O Nc6 8. h3 Ne5 (18cp, 24/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 O-O 7. O-O Nc6 8. Re1 Ne5 (28cp, 21/M, TCEC +2=4-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 O-O 7. O-O Nc6 8. Nxc6 bxc6 (22cp, 72/M, TCEC +2=6-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 O-O 7. O-O Nc6 8. Bf4 Ne5 (37cp, 4/M, TCEC +1=2-1). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 O-O 7. O-O Nbd7 8. Qe2 Ne5 (1cp, 17/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 O-O 7. O-O Nbd7 8. Re1 Nb6 (62cp, 5/M, TCEC +2=2-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 O-O 7. O-O Nbd7 8. Re1 c6 (76cp, 1/M, TCEC +3=1-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 O-O 7. Bb3 Na6 8. O-O Nc5 (0cp, 9/M, TCEC +1=0-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 O-O (14cp, 283/M, TCEC +1=7-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 Nc6 (26cp, 127/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 O-O 7. Qd2 Nc6 8. O-O-O Nxd4 9. Qxd4 Be6 10. f3 a6 (60cp, 11/M, TCEC +1=6-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 O-O 7. Qd2 Nc6 8. O-O-O a6 (105cp, 3/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 O-O 7. Qd2 Nc6 8. O-O-O (-42cp, 55/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. g3 O-O 7. Bg2 Nc6 8. O-O Bd7 (44cp, 6/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. g3 d5 (44cp, 57/M, TCEC +0=4-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 g6 (64cp, 80/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Nbd7 6. Rg1 (-57cp, 2/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 (67cp, 98/M, TCEC +4=6-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 (67cp, 143/M, TCEC +5=1-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 (63cp, 213/M, TCEC +2=4-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Bd7 (77cp, 31/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 (-30cp, 1570/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Bd7 (85cp, 10/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 (-21cp, 242/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 (30cp, 1859/M, TCEC +2=3-1). Games. More: dbcn ccoe c365
Biased Popular Lines
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. O-O Nc6 8. Be3 Bd7 9. f4 Nxd4 10. Bxd4 Bc6 (76cp, -32cp; 7/M, 74%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. O-O Nbd7 (78cp, -64cp; 10/M, 3%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 Bd7 (114cp, -92cp; 15/M, 4%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 O-O 7. O-O Nbd7 (69cp, -60cp; 21/M, 9%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 Nbd7 (68cp, -55cp; 10/M, 2%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 O-O 7. Qd2 c6 8. O-O-O b5 9. f3 b4 (146cp, -4cp; 19/M, 93%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 O-O 7. Qd2 c6 8. O-O-O b5 (142cp, -69cp; 22/M, 84%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 O-O 7. Qd2 c6 (73cp, -35cp; 32/M, 20%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 O-O 7. Qd2 a6 8. O-O-O b5 (116cp, -46cp; 21/M, 80%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 O-O 7. Qd2 a6 (70cp, -32cp; 30/M, 19%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 O-O 7. Qd2 d5 8. Ndb5 c6 (161cp, -119cp; 7/M, 34%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. g3 d5 7. e5 Ng4 8. Bg2 O-O (76cp, -36cp; 7/M, 38%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. g3 Bg4 (103cp, -71cp; 10/M, 5%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bg5 (91cp, -125cp; 9/M, 0%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 a6 (70cp, -36cp; 40/M, 2%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bd7 (84cp, -50cp; 39/M, 2%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 c6 (71cp, -37cp; 21/M, 1%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Nbd7 (123cp, -89cp; 14/M, 1%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 c5 (154cp, -120cp; 13/M, 0%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 h6 (93cp, -59cp; 8/M, 0%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 O-O 8. O-O-O Re8 (124cp, -56cp; 23/M, 56%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 O-O 8. f3 Nc6 9. O-O-O Nxd4 10. Bxd4 Be6 11. g4 c5 12. Be3 Qa5 (183cp, -32cp; 16/M, 96%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 O-O 8. f3 Nc6 9. O-O-O Nxd4 10. Bxd4 Be6 11. g4 c5 (169cp, -42cp; 16/M, 68%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 O-O 8. f3 Nc6 9. O-O-O Nxd4 10. Bxd4 Be6 (127cp, -14cp; 42/M, 93%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 O-O 8. f3 Nc6 9. O-O-O Nxd4 (113cp, -42cp; 41/M, 65%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 O-O 8. f3 Nc6 9. O-O-O Re8 10. g4 Ne5 (204cp, -78cp; 8/M, 38%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 O-O 8. f3 Nc6 9. O-O-O Re8 (126cp, -55cp; 37/M, 59%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 O-O 8. f3 d5 (78cp, -14cp; 13/M, 33%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 O-O 8. f3 Re8 (125cp, -61cp; 8/M, 20%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 Nc6 (70cp, -2cp; 28/M, 54%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 (67cp, -4cp; 143/M, 98%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Nc6 (170cp, -107cp; 11/M, 7%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Bd7 (77cp, -47cp; 31/M, 2%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 c5 (66cp, -36cp; 28/M, 1%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 a6 (69cp, -39cp; 9/M, 0%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Bd7 (85cp, -64cp; 10/M, 4%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 O-O 7. Qd2 c6 8. O-O-O b5 (142cp, -69cp; 22/M, 84%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 O-O 7. Qd2 d5 8. Ndb5 c6 (161cp, -119cp; 7/M, 34%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. g3 d5 7. e5 Ng4 8. Bg2 c6 (114cp, -74cp; 4/M, 25%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be3 Nc6 7. f3 Bd7 (113cp, -93cp; 6/M, 65%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Nbd7 6. g4 Nc5 (203cp, -80cp; 5/M, 77%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 O-O 8. O-O-O Re8 (124cp, -56cp; 23/M, 56%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 O-O 8. f3 Nc6 9. O-O-O Re8 10. g4 Ne5 (204cp, -78cp; 8/M, 38%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 O-O 8. f3 Nc6 9. O-O-O Re8 (126cp, -55cp; 37/M, 59%). More: dbcn ccoe c365
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 O-O 8. f3 Re8 (125cp, -61cp; 8/M, 20%). More: dbcn ccoe c365
Latest dbcn data: 2024-02-25