Chess puzzle (Checkmate)
Opening: Semi-Slav_Defense, Semi-Slav_Defense_Accelerated_Move_Order
Moves: 1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Bb4 5. Qc2 c5 6. cxd5 exd5 7. dxc5 Bg4 8.
Ne5 Bh5 9. Qa4+ Nc6 10. Nxc6 Bxc3+ 11. bxc3 bxc6 12. Qxc6+ Ke7 13. Bg5+ f6 14.
Rd1 fxg5 15. Rxd5 Qb8 16. Rd7+ Kf8 17. e3 Qb1+ 18. Rd1 *
Position (FEN): r4knr/p5pp/2Q5/2P3pb/8/2P1P3/P4PPP/1q1RKB1R b K - 2 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 952
Best move: Qxd1#