Chess puzzle (Checkmate)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. Ng5 O-O 6. d3 a6 7. Nd5 Nxd5 8.
Bxd5 Nb4 9. Bc4 b5 10. Bb3 a5 11. Qh5 Qf6 *
Position (FEN): r1b2rk1/2pp1ppp/5q2/ppb1p1NQ/1n2P3/1B1P4/PPP2PPP/R1B1K2R w KQ - 2 12
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1146
Best move: Qxh7#