Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. c3 e6 4. d4 cxd4 5. cxd4 Nf6 6. Nc3 Be7 7. Bb5+ Bd7 8.
Bd3 O-O 9. O-O Nc6 10. Bg5 Qb6 11. e5 dxe5 12. dxe5 Nd5 13. Nxd5 exd5 14. Bxe7
Nxe7 15. Bxh7+ Kxh7 16. Ng5+ Kg8 17. Qh5 Qh6 18. Qxh6 gxh6 19. Nf3 Ng6 20. Rfe1
Kg7 21. Rad1 Be6 22. Nd4 a6 23. g3 Rac8 24. f4 Ne7 25. b3 Nc6 26. f5 Nxe5 27.
fxe6 Ng6 28. Nf5+ Kf6 29. Nd6 fxe6 30. Nxc8 Rxc8 31. Rc1 Rb8 32. Rc7 Ne7 33.
Rf1+ Nf5 34. g4 Rg8 35. h3 Ke5 36. Rxb7 Nh4 37. Rb6 h5 38. Re1+ Kd4 39. Rexe6
hxg4 40. hxg4 Rxg4+ 41. Kf2 Rg2+ 42. Ke1 Nf3+ 43. Kf1 Rxa2 44. Rxa6 Nh2+ 45.
Ke1 Nf3+ 46. Kd1 Rd2+ 47. Kc1 Kd3 48. Red6 Rc2+ 49. Kb1 Nd2+ 50. Ka1 Nxb3+ 51.
Kb1 Nd2+ 52. Ka1 Kc3 53. Rxd5 Nb3+ 54. Kb1 Rc1+ 55. Ka2 *
Position (FEN): 8/8/R7/3R4/8/1nk5/K7/2r5 b - - 4 55
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 735
Best move: Ra1#