Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. Bc4 d5 3. exd5 cxd5 4. Bb3 Nc6 5. Nf3 Bg4 6. d3 e6 7. h3 Bh5 8. Bg5
Nf6 9. g4 Bg6 10. Nh4 Be7 11. Ba4 Nd7 12. Nxg6 hxg6 13. Bd2 Bf6 14. Bc3 Bxc3+
15. Nxc3 d4 16. Ne2 Qa5+ 17. c3 dxc3 18. bxc3 Nde5 19. f4 Nxg4 20. Kd2 Nf2 21.
Qb3 O-O 22. Rh2 Qc5 23. Qc4 Qxc4 24. dxc4 Ne4+ 25. Ke3 Nc5 26. Bxc6 bxc6 27.
Nd4 Rac8 28. h4 Na4 29. Rc1 Nb6 30. c5 Nd5+ 31. Kf3 Rfd8 32. Rb2 Nxc3 33. Rxc3
Rxd4 34. Rb7 Ra4 35. Rc2 Rd8 36. Rc7 Ra6 37. a4 Kf8 38. Rc4 Ke8 39. Ke3 Rd7 40.
Rc8+ Ke7 41. Rg8 Kf6 42. Ke4 Rd5 43. Rc8 Rh5 44. Rd4 Rxh4 45. Rc7 g5 46. Rdd7
Rxf4+ 47. Ke3 Rh4 48. Rxf7+ Ke5 49. Rxg7 Raxa4 50. Rxg5+ Kf6 51. Rcg7 Rh3+ 52.
Kf2 Ra2+ 53. Kg1 Rb3 54. R7g6+ Ke7 55. Rg7+ Kd8 56. Rg8+ Kc7 *
Position (FEN): 6R1/p1k5/2p1p3/2P3R1/8/1r6/r7/6K1 w - - 13 57
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 793
Best move: R5g7#