Queen's Gambit Declined: Tartakower Defense, Makogonov Exchange Variation

The Queen's Gambit Declined: Tartakower Defense, Makogonov Exchange Variation is a chess opening classified under ECO code D59 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. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. cxd5 Nxd5. The resulting position leaves white to move.