Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Chekhover_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 e5 5. Qd1 Nc6 6. Bb5 Bg4 7. Nbd2 Nf6 8.
Qe2 Be7 9. h3 Bxf3 10. Nxf3 O-O 11. O-O Nd4 12. Nxd4 exd4 13. f4 a6 14. Bc4 b5
15. Bd3 Rb8 16. e5 dxe5 17. fxe5 Nd5 18. Qe4 Nb4 *
Position (FEN): 1r1q1rk1/4bppp/p7/1p2P3/1n1pQ3/3B3P/PPP3P1/R1B2RK1 w - - 3 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 457
Best move: Qxh7#