Semi-Slav Defense: Stoltz Variation, Center Variation, Mikhalchishin Line

The Semi-Slav Defense: Stoltz Variation, Center Variation, Mikhalchishin Line 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 10 moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. e4 dxe4 8. Nxe4 Nxe4 9. Qxe4 e5 10. dxe5. The resulting position leaves black to move.