Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Lowenthal_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 Qa5+ 6. N1c3 Bb4 7. Nd6+ Ke7
8. Nf5+ Kf8 9. Bd2 Nf6 10. a3 Bxc3 11. Bxc3 Qc5 12. Bd3 d5 13. O-O Bxf5 14.
exf5 d4 15. Bd2 g6 16. fxg6 hxg6 17. Bg5 Qd6 18. Qf3 e4 19. Qxf6 *
Position (FEN): r4k1r/pp3p2/2nq1Qp1/6B1/3pp3/P2B4/1PP2PPP/R4RK1 b - - 0 19
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 979
Best move: Qxh2#