Queen's Pawn Opening: Horwitz Defense, 2.c4, Other Continuations
1. d4 e6 2. c4
Main Transpositions
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. a3 Nf6 5. Nf3 to 1. .. Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3
1. d4 e6 2. c4 b6 3. Nf3 Bb7 4. g3 Nf6 to 1. .. Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7
Most Popular
1. d4 e6 2. c4 b6 (1212/M). More: dbcn ccoe c365
1. d4 e6 2. c4 Bb4+ (838/M). More: dbcn ccoe c365
1. d4 e6 2. c4 (9103/M). More: dbcn ccoe c365
TCEC Games
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. f3 f5 6. exf5 Nh6 7. fxe6 Nf5 8. Bf4 dxe6 (5cp, 6/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. f3 Ne7 6. Bd3 d5 (76cp, 1/M, TCEC +2=0-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Qc2 Qh4 6. Bd3 f5 (101cp, 25/M, TCEC +2=0-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Nf6 5. f3 d6 (89cp, 14/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Nf6 (103cp, 75/M, TCEC +2=2-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 d6 (112cp, 12/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. a3 Nf6 5. d5 exd5 6. cxd5 b5 (103cp, 3/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. a3 Nf6 (3cp, 175/M, TCEC +1=2-1). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. a3 f5 5. d5 Nf6 6. g3 Na6 7. Bg2 Nc5 8. Nh3 Bd6 9. Nb5 O-O (138cp, 0/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. a3 f5 5. d5 Nf6 6. g3 Na6 7. Bg2 Nc5 8. Nh3 Bd6 (6cp, 22/M, TCEC +1=2-1). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. a3 f5 5. d5 Nf6 6. g3 Na6 7. Bg2 Nc5 8. Nf3 Nce4 (0cp, 3/M, TCEC +1=2-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. a3 f5 5. d5 Nf6 6. g3 g6 (89cp, 6/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. a3 f5 5. d5 Nf6 6. g3 a5 7. Bg2 Bc5 (79cp, 0/M, TCEC +3=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. a3 f5 5. d5 Nf6 6. g3 a5 (30cp, 5/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. a3 f5 (36cp, 173/M, TCEC +7=9-1). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. Nf3 Bb4 5. Qb3 a5 6. a3 a4 7. Qxb4 Nc6 8. Qb5 Ra5 9. d5 exd5 10. cxd5 Rxb5 11. Nxb5 Na5 (-20cp, 0/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. Nf3 f5 (26cp, 55/M, TCEC +1=2-1). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e3 Bb4 5. Ne2 f5 6. a3 Bxc3+ 7. Nxc3 Nf6 (88cp, 3/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 (4cp, 510/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. e4 Bb7 4. f3 f5 5. exf5 Nh6 6. fxe6 Nf5 7. Ne2 (21cp, 0/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. e4 Bb7 4. Qc2 Qh4 5. Nd2 Bb4 (128cp, 6/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. e4 Bb7 (64cp, 338/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nf3 Bb7 4. a3 f5 (27cp, 35/M, TCEC +2=1-1). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. a3 c5 (76cp, 6/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. d5 Qh4 4. Nc3 Bb4 (93cp, 0/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. d5 Qh4 (92cp, 0/M, TCEC +4=1-1). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 b6 (15cp, 1212/M, TCEC +4=6-5). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. g3 Nc6 (16cp, 5/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. e4 d5 5. e5 Nc6 6. Nf3 Bxd2+ 7. Qxd2 dxc4 (120cp, 0/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. e4 d5 5. e5 Nc6 6. Nf3 Bxd2+ (115cp, 0/M, TCEC +3=1-2). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 Bb4+ 3. Bd2 Bxd2+ 4. Qxd2 Nf6 5. Nc3 d6 6. e4 Qe7 (79cp, 0/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 Bb4+ 3. Bd2 Bxd2+ 4. Qxd2 b6 5. Nc3 Bb7 6. e4 Nf6 (107cp, 0/M, TCEC +3=5-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 Bb4+ 3. Bd2 Bxd2+ 4. Qxd2 b6 5. Nc3 Bb7 (107cp, 3/M, TCEC +6=6-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 Bb4+ 3. Bd2 Bxd2+ 4. Qxd2 Nh6 (91cp, 0/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 Bb4+ 3. Nc3 Bxc3+ 4. bxc3 f5 5. e3 Nf6 6. f3 c5 (5cp, 0/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 Bb4+ 3. Nd2 c5 4. a3 Bxd2+ 5. Qxd2 cxd4 6. Qxd4 Nf6 (7cp, 4/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 Bb4+ 3. Nd2 f5 (60cp, 14/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 Bb4+ (20cp, 838/M, TCEC +6=2-4). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 6. e4 Bg7 7. Bd3 Nh6 (95cp, 4/M, TCEC +2=2-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 6. Nf3 Bg7 (55cp, 38/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 (27cp, 136/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 Ne7 (124cp, 30/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 a6 6. a4 g6 7. Nf3 Bg7 8. g3 Nh6 (88cp, 1/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 a6 (110cp, 30/M, TCEC +3=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 Nf6 5. Bg5 h6 (0cp, 4/M, TCEC +2=2-2). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 (37cp, 334/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 c5 (36cp, 352/M, TCEC +5=4-1). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 d6 (52cp, 38/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. d4 e6 2. c4 g6 (59cp, 21/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
Biased Popular Lines
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 Nf6 6. Qc2 c5 (148cp, -21cp; 22/M, 26%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 Nf6 6. Qc2 Bxc3+ 7. bxc3 d6 (187cp, -60cp; 22/M, 85%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 Nf6 6. Qc2 Nc6 (139cp, -12cp; 14/M, 17%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 Nf6 6. Qc2 d5 7. cxd5 exd5 8. e5 Ne4 (312cp, -59cp; 7/M, 85%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 Nf6 6. Qc2 d5 7. cxd5 exd5 (253cp, -42cp; 9/M, 85%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 Nf6 6. Qc2 d5 (211cp, -84cp; 11/M, 14%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 Nf6 (127cp, -124cp; 71/M, 46%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Qc2 Qh4 6. Bd3 f5 (116cp, -116cp; 25/M, 93%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Nf6 5. Bd3 d5 (221cp, -109cp; 9/M, 18%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Nf6 (112cp, -108cp; 75/M, 23%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 d6 (112cp, -108cp; 12/M, 3%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. a3 g6 (83cp, -80cp; 15/M, 5%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. Nf3 d5 (149cp, -148cp; 14/M, 6%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e3 Bb4 5. Ne2 f5 (71cp, -55cp; 9/M, 73%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nf3 Bb7 4. g3 Bxf3 5. exf3 d5 (100cp, -69cp; 7/M, 50%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. a3 g6 (71cp, -68cp; 14/M, 6%). More: dbcn ccoe c365
1. d4 e6 2. c4 Bb4+ 3. Nd2 f5 (73cp, -68cp; 14/M, 10%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 6. e4 Bg7 7. Nf3 a6 8. a4 Bg4 9. Be2 Bxf3 10. Bxf3 Nd7 11. O-O Ne7 (68cp, -48cp; 8/M, 79%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 6. e4 Bg7 7. Bd3 a6 (95cp, -86cp; 10/M, 35%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 6. e4 a6 (93cp, -73cp; 13/M, 14%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 Ne7 6. e4 Ng6 (139cp, -4cp; 19/M, 94%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 Ne7 (135cp, -110cp; 30/M, 12%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 a6 6. a4 g6 7. e4 Bg7 8. Bd3 Nf6 (119cp, -24cp; 18/M, 100%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 a6 6. a4 g6 7. e4 Bg7 8. Bd3 Ne7 (111cp, -16cp; 9/M, 48%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 a6 6. a4 Nf6 (117cp, -24cp; 12/M, 41%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 a6 6. a4 Ne7 (137cp, -44cp; 7/M, 26%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 a6 (93cp, -68cp; 30/M, 11%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 Be7 (120cp, -95cp; 12/M, 5%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. e4 Nf6 (76cp, -40cp; 8/M, 20%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 Nf6 (76cp, -41cp; 17/M, 5%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 d6 4. e4 Nf6 (66cp, -35cp; 7/M, 34%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 b5 (151cp, -121cp; 7/M, 1%). More: dbcn ccoe c365
1. d4 e6 2. c4 g6 (75cp, -74cp; 21/M, 0%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 f5 6. Qe2 Nf6 7. f3 fxe4 (71cp, -70cp; 5/M, 54%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 f5 6. f3 fxe4 (189cp, -189cp; 7/M, 42%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 Nf6 6. Qc2 c5 7. d5 exd5 (200cp, -52cp; 5/M, 29%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 Nf6 6. Qc2 Bxc3+ 7. bxc3 d6 (187cp, -60cp; 22/M, 85%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 Nf6 6. Qc2 d5 7. cxd5 exd5 8. e5 Ne4 (312cp, -59cp; 7/M, 85%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 Nf6 (127cp, -124cp; 71/M, 46%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Qc2 Qh4 6. Bd3 f5 (116cp, -116cp; 25/M, 93%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Nf6 (112cp, -108cp; 75/M, 23%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e3 Bb4 5. Ne2 f5 (71cp, -55cp; 9/M, 73%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. e4 Bb7 4. Qc2 Qh4 5. Nd2 Bb4 (125cp, -116cp; 6/M, 116%). More: dbcn ccoe c365
1. d4 e6 2. c4 b6 3. Nf3 Bb7 4. g3 Bxf3 5. exf3 d5 (100cp, -69cp; 7/M, 50%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 6. e4 Bg7 7. Bd3 a6 (95cp, -86cp; 10/M, 35%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 6. e4 Bg7 7. Bd3 Ne7 (119cp, -110cp; 6/M, 21%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 g6 5. Nc3 Bg7 (142cp, -120cp; 5/M, 61%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 d6 4. Nc3 e5 (118cp, -96cp; 6/M, 22%). More: dbcn ccoe c365
1. d4 e6 2. c4 c5 3. d5 d6 4. e4 e5 (113cp, -82cp; 7/M, 30%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19