Chess puzzle (Checkmate)
Moves: 1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Nf6 5. Bg2 Bg7 6. O-O O-O 7. d3 d6 8. e4
Bg4 9. a3 a5 10. Be3 e6 11. h3 Bxf3 12. Bxf3 Nd7 13. Qc2 Nde5 14. Be2 f5 15. f4
Nd7 16. exf5 exf5 17. Bf3 Qc7 18. Nd5 Qc8 19. Rad1 Nf6 20. Nxf6+ Bxf6 21. Bd5+
Kg7 22. Qh2 Nd4 23. Bxd4 Bxd4+ 24. Kh1 Rb8 25. Rde1 Re8 26. Qg2 b5 27. cxb5
Rxe1 28. Rxe1 Rxb5 29. b3 Qc7 30. Bc4 Rb8 31. a4 Qb7 32. Bd5 Qb4 33. Qe2 Bf6
34. Bc4 Rb7 35. Qe6 Re7 36. Qg8+ Kh6 37. Rxe7 Bxe7 38. Qe6 Bf8 39. g4 fxg4 40.
hxg4 Qd2 41. g5+ Kh5 *
Position (FEN): 5b2/7p/3pQ1p1/p1p3Pk/P1B2P2/1P1P4/3q4/7K w - - 1 42
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 911
Best move: Qh3#