Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Nyezhmetdinov-Rossolimo_Attack
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 5. O-O e5 6. Nxe5 Bd6 7. Nc4 Bc7 8.
d3 Nf6 9. Bg5 h6 10. Bh4 g5 11. Bg3 O-O 12. Nc3 d5 13. Bxc7 Qxc7 14. Nd2 d4 15.
Ne2 Ng4 16. Ng3 f5 17. exf5 Bxf5 18. Nxf5 *
Position (FEN): r4rk1/2q5/p1p4p/2p2Np1/3p2n1/3P4/PPPN1PPP/R2Q1RK1 b - - 0 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 852
Best move: Qxh2#