Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Staunton-Cochrane_Variation
Moves: 1. e4 c5 2. c4 Nc6 3. Nf3 e6 4. d3 Nf6 5. Be2 Be7 6. O-O b6 7. a3 Bb7 8. Nc3
Qc7 9. Bd2 Bd6 10. Nb5 Qb8 11. Bc3 Ng4 12. Nxd6+ Qxd6 13. Bxg7 Rg8 14. Bc3 Rg5
15. Nd2 *
Position (FEN): r3k3/pb1p1p1p/1pnqp3/2p3r1/2P1P1n1/P1BP4/1P1NBPPP/R2Q1RK1 b q - 4 15
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 873
Best move: Qxh2#