Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Bg5 Nf6 5. Nf3 Nc6 6. e4 Bg4 7. Be2 Nd7 8. d5
Bxf3 9. Bxf3 Nce5 10. Be2 Nc5 11. b4 Ncd7 12. O-O Nxc4 13. Bxc4 Bxc3 14. Rb1
Ne5 15. Bb3 Qd7 16. a3 O-O 17. Bh6 Rfe8 18. Rc1 Ng4 19. Rxc3 Nxh6 20. f3 e6 21.
Ba4 c6 22. dxc6 bxc6 23. Bxc6 Qc7 24. Qc1 Rec8 25. Qxh6 Qb6+ 26. Qe3 Qxe3+ 27.
Rxe3 Rxc6 28. Rd1 Rd8 29. b5 Rb6 30. a4 a6 31. e5 d5 32. Rb3 axb5 33. Rxb5 Ra6
34. Ra1 Rda8 35. Rb4 Kg7 36. Kf2 f6 37. f4 f5 38. Kf3 Kh6 39. g4 Kg7 40. h3
fxg4+ 41. hxg4 h5 42. gxh5 gxh5 43. Kg3 Kg6 44. Kh4 R8a7 45. Ra3 Kf5 46. Rg3
Rxa4 *
Position (FEN): 8/r7/4p3/3pPk1p/rR3P1K/6R1/8/8 w - - 0 47
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 899
Best move: Rg5#