Queen's Gambit Declined: Orthodox Defense, Capablanca Variation

The Queen's Gambit Declined: Orthodox Defense, Capablanca Variation is a chess opening classified under ECO code D63 in the Closed & Semi-Closed Games family, arising from 1.d4 d5, including the Queen's Gambit, Slav Defense, and related systems. It is reached after 9 moves: 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bb5. The resulting position leaves black to move.