Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3
O-O 9. O-O Na6 10. a3 Nc7 11. e4 Bg4 12. Re1 Re8 13. h3 Bxf3 14. Bxf3 b5 15. e5
Nh5 16. Bxh5 gxh5 17. Qxh5 dxe5 18. Re4 Nxd5 19. Nxd5 Qxd5 20. Rh4 Re6 21.
Qxh7+ Kf8 22. Bg5 Rg6 23. Bh6 Re8 24. Bxg7+ Rxg7 25. Qh8+ Rg8 26. Qf6 Re6 27.
Qf5 Ke7 28. Qe4 Qxe4 29. Rxe4 f5 30. Rh4 Rd6 31. Rh7+ Kf6 32. Rh6+ Rg6 33.
Rxg6+ Kxg6 34. Rc1 c4 35. Rc2 f4 36. Kg2 Kf5 37. Re2 Rd3 38. g4+ Kf6 39. f3 Ke6
40. h4 c3 41. bxc3 Rxc3 42. Ra2 a5 43. h5 Kf6 44. Rb2 Rxa3 45. Rxb5 Ra2+ 46.
Kh3 Ra3 47. Rb6+ Kg5 *
Position (FEN): 8/8/1R6/p3p1kP/5pP1/r4P1K/8/8 w - - 5 48
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 673
Best move: Rg6#