Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. g3 e5 3. Nxe5 Nc6 4. Nxc6 dxc6 5. Bg2 Bd6 6. O-O h5 7. h4 Bg4 8.
d4 Qd7 9. Bg5 O-O-O 10. Bxf6 gxf6 11. c3 Rde8 12. f3 Be6 13. f4 Rhg8 14. Kh2
Bd5 15. Bh3 f5 16. Qd3 Be4 17. Qd2 Kb8 18. Na3 Rg6 19. Nc4 Reg8 20. Rg1 f6 21.
Nxd6 cxd6 22. Qe3 d5 23. Bg2 Rxg3 24. Qxg3 Rxg3 25. Kxg3 Qg7+ 26. Kf2 Qg4 27.
Bxe4 Qxh4+ 28. Kf3 dxe4+ 29. Ke3 Qh3+ 30. Kd2 Qh2 31. Raf1 h4 32. Rh1 e3+ 33.
Kxe3 Qg2 34. Rfg1 Qe4+ 35. Kd2 Qxf4+ 36. Kd3 a6 37. Rf1 Qe4+ 38. Kd2 c5 39.
dxc5 Qg4 40. Rf3 Qg5+ 41. Kc2 f4 42. Rhf1 h3 43. Rh1 Qf5+ 44. Kc1 Qxc5 45.
Rhxh3 Qg1+ 46. Kc2 Qg5 47. e3 fxe3 48. Rxe3 f5 49. Ref3 f4 50. Kd3 Qe5 51. Kc2
Ka7 52. Kb3 a5 53. a4 Qe4 54. Rd3 b6 55. Rhf3 Ka6 56. Kc2 Qxa4+ 57. Kb1 Qe4 58.
Ka2 Kb5 59. Kb3 *
Position (FEN): 8/8/1p6/pk6/4qp2/1KPR1R2/1P6/8 b - - 5 59
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1321
Best move: Qa4#