Queen's Pawn Opening: Accelerated London System
1. d4 d5 2. Bf4
Main Transpositions
1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Nf6 to 1. .. Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6
1. d4 d5 2. Bf4 Bf5 3. e3 Nf6 to 1. .. Nf6 2. Bf4 d5 3. e3 Bf5
Most Popular
1. d4 d5 2. Bf4 (3520/M). More: dbcn ccoe c365
TCEC Games
1. d4 d5 2. Bf4 e6 (1cp, 488/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Qb6 5. Qb3 c4 6. Qc2 e5 (0cp, 7/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. d4 d5 2. Bf4 c5 (0cp, 428/M, TCEC +1=4-1). Games. More: dbcn ccoe c365
1. d4 d5 2. Bf4 Bf5 3. e3 c6 4. c4 e6 5. Qb3 Qb6 6. c5 Qxb3 7. axb3 Nd7 8. b4 a6 (79cp, 0/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 d5 2. Bf4 Bf5 (2cp, 249/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 d5 2. Bf4 c6 (17cp, 183/M, TCEC +1=1-1). Games. More: dbcn ccoe c365
Biased Popular Lines
1. d4 d5 2. Bf4 e6 3. e3 f5 (86cp, -85cp; 15/M, 4%). More: dbcn ccoe c365
1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Qb6 5. Qb3 c4 6. Qc2 Bf5 (206cp, -205cp; 13/M, 51%). More: dbcn ccoe c365
1. d4 d5 2. Bf4 f5 (86cp, -86cp; 9/M, 0%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Qb6 5. Qb3 c4 6. Qc2 Bf5 (206cp, -205cp; 13/M, 51%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19