Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nc6 5. Bb5 Bd7 6. h3 a6 7. Bxc6 Bxc6 8.
O-O g6 9. d4 Bg7 10. Be3 cxd4 11. Nxd4 Nf6 12. Nd2 *
Position (FEN): r3k2r/1p2ppbp/p1b2np1/3q4/3N4/2P1B2P/PP1N1PP1/R2Q1RK1 b kq - 2 12
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 761
Best move: Qxg2#