Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Kan_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Qb6 7. Be3 Qc7 8. O-O
Nc6 9. Nxc6 Qxc6 10. Re1 Bb7 11. Qf3 Nf6 12. Bg5 Be7 13. Qe3 O-O 14. e5 *
Position (FEN): r4rk1/1b1pbppp/p1q1pn2/1p2P1B1/8/2NBQ3/PPP2PPP/R3R1K1 b - - 0 14
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 950
Best move: Qxg2#