(T) Queen's Gambit Declined: Marshall Defense
1. d4 Nf6 2. c4 d5
Main Transpositions
1. d4 Nf6 2. c4 d5 3. Nc3 dxc4 4. Nf3 to 2. Nf3 d5 3. c4 dxc4 4. Nc3
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 g6 5. Nc3 to 2. .. g6 3. Nc3 d5 4. cxd5 Nxd5 5. Nf3
Most Popular
1. d4 Nf6 2. c4 d5 3. Nc3 (918/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 (620/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 (1716/M). More: dbcn ccoe c365
TCEC Games
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nf6 (50cp, 161/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. Nf3 Bg4 6. Nc3 e6 (111cp, 1/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 g6 5. e4 Nb6 6. h3 Bg7 (116cp, 39/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 g6 5. e4 Nb6 (113cp, 95/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 g6 (113cp, 125/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 (-91cp, 159/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 (92cp, 436/M, TCEC +10=17-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Qxd5 (144cp, 138/M, TCEC +6=1-1). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 g6 (27cp, 14/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 (16cp, 1716/M, TCEC +6=1-1). Games. More: dbcn ccoe c365
Biased Popular Lines
1. d4 Nf6 2. c4 d5 3. Nc3 Nc6 4. Nf3 Bf5 (131cp, -111cp; 39/M, 20%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. Nc3 Be6 (116cp, -116cp; 10/M, 1%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. Nc3 b6 (88cp, -88cp; 8/M, 0%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nf6 5. Nc3 Nc6 (332cp, -312cp; 26/M, 14%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nf6 5. Nc3 c6 (183cp, -163cp; 17/M, 9%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 Nc6 (147cp, -108cp; 11/M, 12%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. Nf3 e6 (147cp, -102cp; 27/M, 44%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. Nf3 Nc6 (193cp, -148cp; 15/M, 25%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 g6 5. e4 Nf6 (159cp, -43cp; 22/M, 20%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 g6 (116cp, -39cp; 125/M, 78%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 Nc6 5. e4 Nf6 (195cp, -3cp; 24/M, 58%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 Nc6 (192cp, -115cp; 44/M, 27%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 Bf5 (77cp, 0cp; 31/M, 19%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 Bg4 (162cp, -85cp; 13/M, 8%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 (73cp, -53cp; 436/M, 70%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Qxd5 4. Nc3 Qd8 5. Nf3 Nc6 (195cp, -59cp; 10/M, 33%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Qxd5 4. Nc3 Qa5 5. Nf3 Nc6 (240cp, -146cp; 11/M, 38%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Qxd5 4. Nc3 Qa5 5. Nf3 e6 (155cp, -61cp; 8/M, 29%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Qxd5 4. Nc3 Qa5 (147cp, -13cp; 54/M, 39%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Qxd5 (134cp, -114cp; 138/M, 22%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Bf5 (77cp, -57cp; 12/M, 1%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. d4 Nf6 2. c4 d5 3. Nc3 Nc6 4. Nf3 Bf5 (131cp, -111cp; 39/M, 20%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. Nc3 Bf5 4. Bg5 e6 (117cp, -116cp; 7/M, 50%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. Nf3 e6 (147cp, -102cp; 27/M, 44%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. Nf3 Nc6 (193cp, -148cp; 15/M, 25%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 Nc6 (192cp, -115cp; 44/M, 27%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 Bf5 5. Qb3 Nb6 (149cp, -124cp; 5/M, 48%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 (73cp, -53cp; 436/M, 70%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Qxd5 4. Nc3 Qd8 5. Nf3 Nc6 (195cp, -59cp; 10/M, 33%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Qxd5 4. Nc3 Qa5 5. Nf3 Nc6 (240cp, -146cp; 11/M, 38%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 d5 3. cxd5 Qxd5 (134cp, -114cp; 138/M, 22%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19