Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. h3 Qe7 7. a3 Be6 8. Ba2
O-O 9. Bg5 Rfe8 10. Bxf6 Qxf6 11. Nd5 Bxd5 12. Bxd5 Rad8 13. O-O Nd4 14. Nxd4
Bxd4 15. c3 Bc5 16. b4 c6 17. Bb3 Bb6 18. a4 a6 19. a5 Ba7 20. Qg4 d5 21. exd5
cxd5 22. Kh1 b6 23. axb6 Bxb6 24. Rxa6 Rb8 25. Bxd5 Red8 26. Bc4 e4 27. Qxe4
Qxc3 28. b5 Qd2 29. f3 Rd4 30. Qf5 Rf4 31. Rxb6 Rd8 32. Qg5 h6 33. Qxd8+ Kh7
34. Qd6 Rf6 35. Qc5 Qe2 36. Rg1 Rf4 37. d4 Qf2 38. Rd6 Qh4 39. b6 Rxf3 40. gxf3
*
Position (FEN): 8/5ppk/1P1R3p/2Q5/2BP3q/5P1P/8/6RK b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 946
Best move: Qxh3#