Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. c3 Nc6 4. g3 Nf6 5. d3 g6 6. Bg2 Bg7 7. O-O Bg4 8. Nbd2
Ne5 9. Qe2 h5 10. h3 Bxf3 11. Nxf3 Nxf3+ 12. Qxf3 Qd7 13. Rb1 Rb8 14. a3 b5 15.
Bf4 b4 16. axb4 cxb4 17. c4 a5 18. e5 dxe5 19. Bxe5 Rc8 20. b3 O-O 21. d4 a4
22. bxa4 Rxc4 23. a5 Rc3 24. Qd1 Ra3 25. Rxb4 Rxa5 26. Rb7 Qd8 27. Bc7 Qa8 28.
Bxa5 Qxa5 29. Rxe7 Rd8 30. Qb3 Rf8 31. d5 Kh7 32. d6 Qc5 33. Rxf7 Qxd6 34. Rxf8
Qxf8 35. Qb7 Kh6 36. h4 Ng4 37. Qc6 Bd4 38. Bf3 Ne5 39. Qc1+ Kh7 40. Kg2 Qxf3+
41. Kh3 Qg4+ 42. Kh2 Nf3+ 43. Kg2 Nxh4+ 44. Kh2 Nf3+ 45. Kg2 Be5 46. Qe3 Nh4+
47. Kh2 Qe6 48. Re1 Bxg3+ 49. fxg3 Nf3+ 50. Kh1 *
Position (FEN): 8/7k/4q1p1/7p/8/4QnP1/8/4R2K b - - 2 50
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 989
Best move: Qh3#