Queen's Pawn Opening: Symmetrical Variation, 3.c4
1. d4 Nf6 2. Nf3 d5 3. c4
Main Transpositions
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Nc3 a6 6. a4 c5 7. Bxc4 to 5. Bxc4 c5 6. Nc3 a6 7. a4
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Nc3 c5 to 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 dxc4
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 e6 to 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 c6 to 1. .. d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4
1. d4 Nf6 2. Nf3 d5 3. c4 g6 4. cxd5 Nxd5 to 2. c4 d5 3. cxd5 Nxd5 4. Nf3 g6
1. d4 Nf6 2. Nf3 d5 3. c4 g6 4. Nc3 to 2. c4 g6 3. Nc3 d5 4. Nf3
Most Popular
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O (634/M). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 (859/M). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 (2376/M). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 (1839/M). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 (521/M). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 (2696/M). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 (807/M). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 (3743/M). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 (13896/M). More: dbcn ccoe c365
TCEC Games
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O b5 7. Bd3 Bb7 8. a4 b4 (25cp, 41/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O b5 7. Bd3 Bb7 8. Qe2 Nbd7 (12cp, 15/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O Nbd7 (52cp, 45/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 Be7 6. O-O O-O 7. Nc3 b6 (86cp, 10/M, TCEC +2=2-2). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Nc3 a6 6. a4 c5 (0cp, 166/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Nc3 a6 6. a4 b6 7. Bxc4 Bb7 8. O-O Bb4 (3cp, 32/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 a6 8. g4 Bg6 (25cp, 51/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 a6 8. O-O Nc6 (58cp, 51/M, TCEC +0=6-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 a6 8. O-O c5 (33cp, 7/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nbd7 8. O-O Bd6 (120cp, 48/M, TCEC +6=3-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nbd7 8. O-O c6 (35cp, 7/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nbd7 8. O-O a6 (90cp, 6/M, TCEC +4=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 (11cp, 175/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. O-O Bd6 (115cp, 22/M, TCEC +5=6-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Qb3 Bxf3 7. gxf3 Nbd7 8. Qxb7 Bd6 (90cp, 0/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 (10cp, 492/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 (11cp, 521/M, TCEC +3=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 a6 5. Bxc4 b5 6. Bd3 Bb7 7. a4 b4 8. Nbd2 e6 (26cp, 2/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 g6 5. Bxc4 Bg7 6. O-O O-O 7. Nc3 Nfd7 (93cp, 27/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 g6 5. Bxc4 Bg7 6. O-O O-O 7. Nc3 Ne8 (120cp, 13/M, TCEC +2=0-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 g6 5. Bxc4 Bg7 6. O-O O-O 7. Nc3 Nc6 (87cp, 10/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 g6 (54cp, 88/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 b5 5. a4 b4 6. Bxc4 e6 7. O-O Be7 8. Nbd2 Bb7 (51cp, 16/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 b5 5. a4 b4 6. Bxc4 e6 7. O-O Bb7 8. Nbd2 Nbd7 (80cp, 2/M, TCEC +2=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Be6 (19cp, 51/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 a6 5. e4 b5 6. e5 Nd5 7. a4 Nxc3 8. bxc3 Bb7 (0cp, 22/M, TCEC +1=0-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 a6 5. e4 b5 6. e5 Nd5 (0cp, 135/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 a6 (0cp, 326/M, TCEC +0=1-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 Nc6 5. e4 Bg4 6. Be3 e6 7. Bxc4 Bb4 8. Qc2 O-O (18cp, 23/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 Nc6 5. e4 Bg4 (32cp, 100/M, TCEC +2=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 Nc6 5. Bg5 h6 6. Bh4 a6 7. d5 Na5 8. e4 b5 (126cp, 1/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 Nc6 (29cp, 201/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 Bg4 (100cp, 23/M, TCEC +2=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 (1cp, 3743/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 g6 (24cp, 283/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 Bf5 (91cp, 87/M, TCEC +4=4-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 c5 (5cp, 62/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
Biased Popular Lines
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O Nbd7 7. a4 b6 (78cp, -40cp; 10/M, 57%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. Nc3 b5 7. Bd3 c6 (70cp, -70cp; 9/M, 11%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 Be7 6. O-O O-O 7. Nc3 Nc6 (151cp, -137cp; 16/M, 39%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 Be7 6. O-O O-O 7. Nc3 c6 (115cp, -101cp; 10/M, 25%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 Be7 6. O-O O-O 7. Nc3 b6 (74cp, -60cp; 10/M, 24%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 Be7 6. O-O O-O 7. Nc3 Nbd7 (157cp, -143cp; 9/M, 22%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 Be7 6. Nc3 Nc6 (134cp, -122cp; 8/M, 24%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 Nc6 (96cp, -95cp; 29/M, 1%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 c6 (82cp, -81cp; 12/M, 0%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Nc3 a6 6. a4 b6 7. Bxc4 Bb7 8. O-O Nbd7 (83cp, -83cp; 18/M, 37%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Nc3 Nc6 (96cp, -96cp; 12/M, 2%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nbd7 8. O-O Bd6 9. e4 e5 (176cp, -55cp; 30/M, 96%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nbd7 8. O-O Bd6 (121cp, -103cp; 48/M, 69%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. O-O Bd6 (112cp, -85cp; 22/M, 49%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. O-O Bb4 (80cp, -53cp; 8/M, 19%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 Nc6 (187cp, -175cp; 15/M, 3%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 g6 5. Bxc4 Bg7 6. O-O O-O 7. Nc3 Nfd7 (93cp, -48cp; 27/M, 35%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 g6 5. Bxc4 Bg7 6. O-O O-O 7. Nc3 Ne8 (123cp, -78cp; 13/M, 17%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 g6 5. Bxc4 Bg7 6. O-O O-O 7. Nc3 Nc6 (89cp, -44cp; 10/M, 13%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 b5 5. a4 b4 6. Bxc4 e6 7. O-O Bb7 (77cp, -44cp; 14/M, 32%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Be6 5. Nc3 h6 (105cp, -90cp; 9/M, 26%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Nc6 (83cp, -83cp; 24/M, 0%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 a6 5. a4 Nc6 6. e4 Bg4 7. d5 (67cp, -65cp; 7/M, 20%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 a6 5. a4 Nc6 6. e3 Na5 7. Ne5 Be6 8. Be2 (170cp, -129cp; 12/M, 50%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 a6 5. e4 b5 6. e5 Nd5 7. a4 Nxc3 8. bxc3 Bb7 9. e6 f6 (156cp, -156cp; 13/M, 77%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 a6 5. e4 b5 6. e5 Nd5 7. Ng5 (94cp, -94cp; 7/M, 5%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 Nc6 5. e4 Bg4 6. Be3 Bxf3 (133cp, -112cp; 11/M, 15%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 Nc6 5. e4 Bg4 6. Be3 e5 (106cp, -85cp; 7/M, 10%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 Nc6 5. Bg5 Bg4 (135cp, -128cp; 9/M, 19%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 Nc6 5. e3 Be6 (85cp, -77cp; 7/M, 19%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 c5 5. d5 e6 6. e4 exd5 7. e5 d4 (284cp, -271cp; 7/M, 11%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 Bg4 (102cp, -102cp; 23/M, 2%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 Nd5 (85cp, -85cp; 8/M, 0%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 Nc6 (167cp, -167cp; 146/M, 1%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 Bf5 (77cp, -77cp; 87/M, 0%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 Bg4 (127cp, -127cp; 35/M, 0%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 Be7 6. O-O O-O 7. Nc3 Nc6 (151cp, -137cp; 16/M, 39%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 Be7 6. O-O O-O 7. Nc3 c6 (115cp, -101cp; 10/M, 25%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 Be7 6. O-O O-O 7. Nc3 b6 (74cp, -60cp; 10/M, 24%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 Be7 6. O-O O-O 7. Nc3 Nbd7 (157cp, -143cp; 9/M, 22%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 Be7 6. Nc3 Nc6 (134cp, -122cp; 8/M, 24%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Nc3 a6 6. a4 b6 7. Bxc4 Bb7 8. O-O Nbd7 (83cp, -83cp; 18/M, 37%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nbd7 8. O-O Bd6 9. e4 e5 (176cp, -55cp; 30/M, 96%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nbd7 8. O-O Bd6 (121cp, -103cp; 48/M, 69%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. O-O Bd6 (112cp, -85cp; 22/M, 49%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 Be6 5. Nc3 h6 (105cp, -90cp; 9/M, 26%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 a6 5. a4 Nc6 6. e4 Bg4 7. Be3 Bxf3 8. gxf3 e5 9. d5 (139cp, -139cp; 5/M, 73%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 a6 5. a4 Nc6 6. e4 Bg4 7. d5 (67cp, -65cp; 7/M, 20%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 a6 5. a4 Nc6 6. e3 Na5 7. Ne5 Be6 8. Be2 (170cp, -129cp; 12/M, 50%). More: dbcn ccoe c365
1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 a6 5. e4 b5 6. e5 Nd5 7. a4 Nxc3 8. bxc3 Bb7 9. e6 f6 (156cp, -156cp; 13/M, 77%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19