Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. d4 Nf6 5. e5 Nd5 6. dxc5 Bxc5 7. Bg5 Nce7 8.
O-O O-O 9. Bd3 Qb6 10. Nh4 Ng6 11. Qh5 Ndf4 12. Bxf4 Nxf4 *
Position (FEN): r1b2rk1/pp1p1ppp/1q2p3/2b1P2Q/5n1N/3B4/PPP2PPP/RN3RK1 w - - 0 13
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 1023
Best move: Qxh7#