ECO D37
11 named openings and variations are classified as D37. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- Queen's Gambit Declined: Barmen VariationD371. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7
- Queen's Gambit Declined: Harrwitz Attack, Fianchetto DefenseD371. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 O-O 6. e3 b6
- Queen's Gambit Declined: Harrwitz Attack, Main LineD371. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5
- Queen's Gambit Declined: Harrwitz Attack, Orthodox DefenseD371. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 O-O 6. e3 c6
- Queen's Gambit Declined: Harrwitz Attack, Two Knights DefenseD371. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7
- Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense, Blockade LineD371. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. c5
- Queen's Gambit Declined: Knight Defense, Alekhine GambitD371. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 h6 6. Bh4 dxc4
- Queen's Gambit Declined: Miles VariationD371. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. Qc2
- Queen's Gambit Declined: Three Knights VariationD371. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3
- Queen's Gambit Declined: Three Knights, Vienna VariationD371. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4
- Queen's Gambit Declined: Vienna Variation, Quiet VariationD371. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3