Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. c3 a6 4. Be2 e5 5. d4 cxd4 6. cxd4 exd4 7. Nxd4 Nc6 8.
O-O Nxd4 9. Qxd4 Nf6 10. e5 dxe5 11. Qxd8+ Kxd8 12. Bg5 Be7 13. Nc3 Be6 14.
Rfd1+ Ke8 15. Rd3 Rd8 16. Rad1 Rxd3 17. Rxd3 Bd7 18. Bf3 Bc6 19. Bxc6+ bxc6 20.
Bxf6 gxf6 21. Ne4 f5 22. Ng3 f4 23. Nf5 Bf8 24. Ra3 Kd7 25. Rxa6 Bc5 26. g3 f3
27. Ra4 Ke6 28. Nh4 Rb8 29. b3 f5 30. Nxf3 e4 31. Ng5+ Kf6 32. Nh3 Rd8 33. Rc4
Rd1+ 34. Kg2 Bd4 35. Rxc6+ Ke5 36. b4 Rd2 37. a4 e3 38. Kf3 exf2 39. Rc1 Rd3+
40. Kg2 f4 41. Rf1 f3+ 42. Kh1 Rd2 43. Ng5 Rd3 44. b5 h6 45. Nh3 Rd2 46. a5 Kf5
47. b6 Re2 48. Nxf2 Bxf2 49. b7 Ba7 50. Rxf3+ Kg4 51. Rf8 Re1+ 52. Kg2 *
Position (FEN): 5R2/bP6/7p/P7/6k1/6P1/6KP/4r3 b - - 4 52
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1263
Best move: Rg1#