Chess puzzle (Checkmate)
Opening: Benoni_Defense, Benoni_Defense_Old_Benoni
Moves: 1. d4 c5 2. c3 cxd4 3. cxd4 d5 4. Bf4 Nf6 5. e3 Nc6 6. a3 e6 7. Nf3 Nh5 8. Bg3
Be7 9. Bd3 O-O 10. Ne5 g6 11. Be2 Nxg3 12. hxg3 Nxe5 13. dxe5 f6 14. Qd4 Qa5+
15. b4 Bxb4+ 16. Nd2 Bc3 17. Qh4 Bxa1 *
Position (FEN): r1b2rk1/pp5p/4ppp1/q2pP3/7Q/P3P1P1/3NBPP1/b3K2R w K - 0 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 543
Best move: Qxh7#