D51: Queen's Gambit Declined

D51 Sub-variants:

• Queen's Gambit Declined, 4.Bg5 Nbd7
  1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7
• Queen's Gambit Declined, Rochlin variation
  1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. Rc1 Qa5 7. Bd2
• Queen's Gambit Declined, Alekhine variation
  1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e4
• Queen's Gambit Declined
  1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3
• Queen's Gambit Declined, Manhattan variation
  1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Bb4
• Queen's Gambit Declined, 5...c6
  1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6
• Queen's Gambit Declined, Capablanca anti-Cambridge Springs variation
  1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. a3