Chess puzzle (Checkmate)
Opening: Four_Knights_Game, Four_Knights_Game_Other_variations
Moves: 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3 Bb4 5. Bd2 d5 6. exd5 Nxd5 7. Be2 Nxc3 8.
bxc3 Bd6 9. O-O O-O 10. d4 Qf6 11. Bg5 Qg6 12. dxe5 Nxe5 13. Be3 Bh3 14. Nh4
Qf6 15. Bf3 Qxh4 16. gxh3 Qxh3 17. Bg2 Nf3+ 18. Qxf3 *
Position (FEN): r4rk1/ppp2ppp/3b4/8/8/2P1BQ1q/P1P2PBP/R4RK1 b - - 0 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1000
Best move: Qxh2#