Chess puzzle (Checkmate)
Opening: Italian_Game, Italian_Game_Classical_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 Ng4 7. cxd4 Bb4+ 8.
Bd2 d5 9. exd6 Qxd6 10. O-O Nxd4 11. Bxb4 Nxf3+ 12. Qxf3 *
Position (FEN): r1b1k2r/ppp2ppp/3q4/8/1BB3n1/5Q2/PP3PPP/RN3RK1 b kq - 0 12
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 1139
Best move: Qxh2#