Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e6 7. Be3 Bd7 8. Qd2
a6 9. g4 Rc8 10. g5 Nh5 11. Be2 h6 12. gxh6 gxh6 13. O-O-O Nf6 14. Rhg1 Be7 15.
Nxc6 Rxc6 16. Bxh6 Rxc3 17. bxc3 Qa5 18. Kb1 Bc6 19. Bf4 e5 20. Bg5 Qb6+ 21.
Ka1 Qc5 22. h4 d5 23. exd5 Nxd5 24. c4 Nf6 25. Qc3 b5 26. Be3 b4 27. Bxc5 bxc3
28. Bf2 e4 29. fxe4 Nxe4 30. Be1 Ba3 31. Bf3 Bb2+ 32. Kb1 f5 33. Rg6 Bb7 34.
Rb6 Bc8 35. Rb8 Ke7 36. Bxe4 fxe4 37. Rd4 Rf8 38. Rxe4+ Kd6 39. Rb3 Rf1 40. a4
Bf5 41. Re2 Bg4 42. Re3 Be6 43. Re4 Bf5 44. Re3 Be6 45. Rb4 Bf5 46. Ka2 a5 47.
Rb6+ Kc7 48. Rb5 Bxc2 49. Bxc3 Bxc3 50. Rxc3 Bxa4 51. Rxa5 Rf2+ 52. Ka3 Bc6 53.
Ra7+ Kb6 54. Rh7 Kc5 55. Rh5+ Kd4 56. Rc1 Rf3+ 57. Kb4 Rf2 58. Ka5 Rb2 59. Rh6
Be4 60. Rd6+ Kc5 61. Ka6 *
Position (FEN): 8/8/K2R4/2k5/2P1b2P/8/1r6/2R5 b - - 20 61
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1502
Best move: Ra2#