Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nc3 Nc6 3. f4 a6 4. a4 e6 5. Nf3 d6 6. Bc4 Nf6 7. O-O Bd7 8. d4
cxd4 9. Nxd4 d5 10. exd5 exd5 11. Re1+ Be7 12. Nxd5 Nxd5 13. Bxd5 Nxd4 14. Qxd4
O-O 15. Bxb7 Bf6 16. Qf2 Rb8 17. Bxa6 Bxb2 18. Bxb2 Rxb2 19. Reb1 Qb8 20. Bb5
Rxb1+ 21. Rxb1 Bf5 22. Rc1 Rc8 23. c4 h6 24. c5 Be4 25. c6 Qd6 26. Re1 Bxc6 27.
Bxc6 Qxc6 28. Qd4 Ra8 29. Ra1 Re8 30. a5 Re2 31. Qd8+ Re8 32. Qd3 Qc5+ 33. Kf1
Ra8 34. a6 Qb4 35. g3 Qb2 36. Ra3 Qxh2 37. a7 Qh1+ 38. Kf2 Qh2+ 39. Kf3 Qh5+
40. Kg2 Qc5 41. Ra4 Rxa7 42. Rxa7 Qxa7 43. Qd8+ Kh7 44. Qd3+ Kg8 45. Kh3 Qe7
46. Qf3 Qe6+ 47. g4 g6 48. Qa8+ Kg7 49. Qa1+ Qf6 50. Qf1 Qc3+ 51. Kh4 g5+ 52.
Kh5 Qg3 53. Qa1+ Kg8 54. fxg5 *
Position (FEN): 6k1/5p2/7p/6PK/6P1/6q1/8/Q7 b - - 0 54
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 947
Best move: Qh3#