Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. Nc3 Nc6 5. O-O a6 6. d4 cxd4 7. Nxd4 Nf6 8.
Nxc6 bxc6 9. Qe2 Be7 10. Bg5 h6 11. Bh4 O-O 12. Rad1 d5 13. exd5 exd5 14. Bb3
Qc7 15. h3 Re8 16. Qd3 Be6 17. Ne2 Ng4 18. Bxe7 *
Position (FEN): r3r1k1/2q1Bpp1/p1p1b2p/3p4/6n1/1B1Q3P/PPP1NPP1/3R1RK1 b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 710
Best move: Qh2#