Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Open
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 Qc7 7. c4 c5 8.
Nc3 e6 9. O-O Be7 10. Qc2 O-O 11. Nb5 Qb8 12. Rb1 Bb7 13. Nc3 a6 14. b3 Ng4 15.
f3 *
Position (FEN): rq3rk1/1b1pbppp/p3p3/2p5/2P1P1n1/1PNB1P2/P1Q3PP/1RB2RK1 b - - 0 15
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1170
Best move: Qxh2#