Semi-Slav Defense: Accelerated Meran Variation

The Semi-Slav Defense: Accelerated Meran Variation is a chess opening classified under ECO code D45 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 5 moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6. The resulting position leaves white to move.