D37 - 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 Be7 5. Bf4 O-O - Queen's Gambit Declined: Harrwitz Attack


Queen’s Gambit Declined: Harrwitz Attack (D37)
Coups: 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 Be7 5. Bf4 O-O
├── D37 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 - Queen's Gambit Declined: Harrwitz Attack (13)
│   ├── D37 - 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Bf4 Nf6 5. e3 O-O 6. Nf3 Nbd7 - Queen's Gambit Declined: Harrwitz Attack (4)
│   │   └── D37 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. c5 - Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense, Blockade Line (3)
│   ├── D37 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 b6 - Queen's Gambit Declined: Harrwitz Attack (4)
│   └── D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 - Queen's Gambit Declined: Harrwitz Attack (4)
├── D37 - 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 - Queen's Gambit Declined: Harrwitz Attack (1)
├── D37 - 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 O-O 6. a3 - Queen's Gambit Declined: Harrwitz Attack (1)
└── D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. Qc2 - Queen's Gambit Declined: Harrwitz Attack (1)