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. a3 Bb7 7. Be2 Qc7 8. O-O
Nf6 9. Bd3 Be7 10. Re1 d6 11. h3 O-O 12. Bd2 Nc6 13. Nxc6 Qxc6 14. e5 *
Position (FEN): r4rk1/1b2bppp/p1qppn2/1p2P3/8/P1NB3P/1PPB1PP1/R2QR1K1 b - - 0 14
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 711
Best move: Qxg2#