Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack

The Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack is a chess opening classified under ECO code D64 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 8 moves: 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Qc2 Ne4. The resulting position leaves white to move.