Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. Nc3 Nf6 3. e4 d6 4. Nf3 Bg7 5. Bc4 c6 6. Bd2 O-O 7. Qe2 a5 8. h4 b5
9. Bd3 Bg4 10. e5 dxe5 11. dxe5 Nd5 12. Nxd5 cxd5 13. Bf4 b4 14. Qe3 Nc6 15.
Nd4 Nxd4 16. Qxd4 e6 17. f3 Bf5 18. Bxf5 exf5 19. O-O-O Rc8 20. Qxd5 Qc7 21.
Rd2 Rfd8 22. Qb3 Rxd2 23. Bxd2 Qxe5 24. Re1 Qg3 25. Re7 Rf8 26. Qa4 Qxg2 27.
Qxa5 Qf1+ 28. Re1 Qxf3 29. Qxb4 Qd5 30. a4 Qa2 31. Qa3 Qc4 32. a5 Qxh4 33. a6
Qc4 34. a7 Rc8 35. c3 Qc6 36. Kb1 Ra8 37. b4 Qb7 38. c4 Rxa7 39. Re8+ Bf8 40.
Bh6 Qh1+ 41. Kb2 Qg2+ 42. Kb1 Qf1+ 43. Kb2 Qf2+ 44. Kb1 Qg1+ 45. Kb2 Qd4+ 46.
Kb1 Qg1+ 47. Kb2 Qh2+ 48. Kb1 Qh1+ 49. Kb2 Qh2+ 50. Kb1 Qxh6 51. Qxa7 Qh1+ 52.
Kc2 Qg2+ 53. Kd3 Kg7 54. Qd4+ Kg8 55. b5 Qf1+ 56. Kc2 Qg2+ 57. Qd2 Qb7 58. Qb4
Qg2+ 59. Kb3 Qf3+ 60. Ka4 Qd1+ 61. Ka5 Qa1+ 62. Kb6 Qd4+ 63. Ka5 *
Position (FEN): 4Rbk1/5p1p/6p1/KP3p2/1QPq4/8/8/8 b - - 16 63
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1402
Best move: Qa7#