Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Four_Knights_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bb4 7. f3 d5 8.
exd5 Nxd5 9. Nxc6 bxc6 10. Bd2 O-O 11. O-O Nxc3 12. bxc3 Be7 13. Bd3 Bf6 14.
Qe2 Qc7 15. Rab1 Bb7 16. Rb4 a5 17. Rc4 Ba6 18. Qe4 Bxc4 *
Position (FEN): r4rk1/2q2ppp/2p1pb2/p7/2b1Q3/2PB1P2/P1PB2PP/5RK1 w - - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1236
Best move: Qxh7#