Chess puzzle (Checkmate)
Opening: Italian_Game, Italian_Game_Anti-Fried_Liver_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 c5 7. Qd3 Qa5+ 8.
Bd2 Qc7 9. O-O Nf6 10. Nc3 Ng4 11. Qf3 *
Position (FEN): r1b1kb1r/ppqp1pp1/7p/2p5/2B1P1n1/2N2Q2/PPPB1PPP/R4RK1 b kq - 9 11
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 638
Best move: Qxh2#