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


└── 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 (1)