Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 O-O 5. e3 b6 6. Nf3 Bb7 7. Be2 c5 8. O-O
cxd4 9. exd4 d5 10. cxd5 Bxc3 11. bxc3 Bxd5 12. c4 Be4 13. Be3 Nc6 14. Rc1 Na5
15. c5 Bd5 16. Ne5 Nd7 17. f4 Nxe5 18. fxe5 bxc5 19. dxc5 Nc6 20. Bf4 Bxa2 21.
Qa4 Qd4+ 22. Qxd4 Nxd4 23. Ba6 Bd5 24. Rfd1 Nc6 25. Bb7 Rab8 26. Bxc6 Bxc6 27.
Rd6 Rfc8 28. h4 h6 29. Be3 Rb2 30. Rd2 Rcb8 31. Rcd1 Rxd2 32. Rxd2 a5 33. Rd6
Bd5 34. Ra6 Rb2 35. Rxa5 Rxg2+ 36. Kf1 Rc2 37. Ke1 Kh7 38. Ra7 Kg6 39. h5+ Kxh5
40. Rxf7 g5 41. Rf6 Bc4 42. Kd1 Re2 43. Bd4 Re4 44. Bc3 Bd5 45. Kc2 Rc4 46. Kd3
Rxc5 47. Bb4 Rc4 48. Bf8 g4 49. Rxh6+ Kg5 50. Rh8 g3 51. Ke3 Rc3+ 52. Ke2 g2
53. Be7+ Kf5 54. Rg8 Rc2+ 55. Ke3 Rc1 *
Position (FEN): 6R1/4B3/4p3/3bPk2/8/4K3/6p1/2r5 w - - 6 56
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1478
Best move: Rg5#