Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 Nf6 5. e5 Nd5 6. Bc4 Nb6 7. Bb3 Nc6 8. Nf3
a5 9. a4 Bg7 10. O-O O-O 11. Ng5 e6 12. Qf3 Nxd4 13. Qh3 h5 14. Bd1 Nd5 15. f4
Qb6 16. Kh1 Nf5 17. Nc3 Nde3 18. Rf3 Nxd1 19. Nxd1 Nh6 20. Ne3 Qb4 21. g4 hxg4
22. Nxg4 Nxg4 *
Position (FEN): r1b2rk1/1p1p1pb1/4p1p1/p3P1N1/Pq3Pn1/5R1Q/1P5P/R1B4K w - - 0 23
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 980
Best move: Qh7#