Chess puzzle (Checkmate)
Opening: English_Opening, English_Opening_Anglo-Indian_Defense
Moves: 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 g6 5. Nc3 Bg7 6. d4 Ne4 7. h4 Nxc3 8. bxc3
Be4 9. h5 O-O 10. hxg6 hxg6 11. Bh6 Bxh6 12. Rxh6 Kg7 13. Rh4 d5 14. Qd2 Rh8
15. cxd5 Rxh4 16. Nxh4 Bxg2 17. Nxg2 Qxd5 18. Nf4 *
Position (FEN): rn6/p1p1ppk1/1p4p1/3q4/3P1N2/2P3P1/P2QPP2/R3K3 b Q - 1 18
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 662
Best move: Qh1#