Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 e6 3. Nf3 d5 4. exd5 exd5 5. d4 Be6 6. Be2 cxd4 7. Nxd4 Nc6 8.
O-O a6 9. Re1 Be7 10. Nxe6 fxe6 11. Bh5+ g6 12. Rxe6 gxh5 13. Qf3 Nd4 14. Qxh5+
Kd7 15. Qxd5+ Kc7 16. Qe5+ Kc8 17. Qxh8 Ne2+ 18. Nxe2 *
Position (FEN): r1kq2nQ/1p2b2p/p3R3/8/8/8/PPP1NPPP/R1B3K1 b - - 0 18
Black to move.
Themes:  Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 908
Best move: Qd1#