Chess puzzle (Checkmate)
Opening: Italian_Game, Italian_Game_Two_Knights_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. c3 b5 7. Bf1 Nxd5 8.
cxd4 Qxg5 9. Bxb5+ Kd8 10. O-O Bb7 11. d3 Nf4 12. f3 *
Position (FEN): r2k1b1r/pbp2ppp/8/1B2p1q1/3P1n2/3P1P2/PP4PP/RNBQ1RK1 b - - 0 12
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 769
Best move: Qxg2#