Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 O-O 6. Nc3 d6 7. h3 Be6 8. Bb5
Nd4 9. Nxd4 Bxd4 10. Ne2 a6 11. Ba4 b5 12. Nxd4 bxa4 13. Ne2 Rb8 14. c4 a3 15.
b3 a5 16. Bxa3 c5 17. Bc1 Nh5 18. Nc3 Qh4 19. Kh2 g5 20. Nd5 g4 21. Be3 Nf6 22.
Nxf6+ Qxf6 23. f3 gxh3 24. gxh3 Qh4 25. Rg1+ Kh8 26. Rg3 Rg8 27. Qg1 Rg6 28.
Rxg6 *
Position (FEN): 1r5k/5p1p/3pb1R1/p1p1p3/2P1P2q/1P1PBP1P/P6K/R5Q1 b - - 0 28
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 920
Best move: Qxh3#