Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. d4 Bf5 7. Bf4 Nd7
8. Bc4 Nb6 9. Bb3 Rg8 10. Bg3 Qd7 11. Qe2 O-O-O 12. O-O-O Bh6+ 13. Kb1 Nd5 14.
Nh4 Bg4 15. f3 Bh5 16. Qe4 Rg7 17. Rhe1 Bg6 18. Nxg6 fxg6 19. Bxd5 Qxd5 20.
Qxd5 Rxd5 21. Re6 f5 22. c4 Rd7 23. Be5 Rf7 24. d5 a6 25. Kc2 b5 26. Rxc6+ Kb7
27. cxb5 axb5 28. Rc5 Kb6 29. Bd4 Ka5 30. a3 Bg7 31. b4+ Ka4 32. Bxg7 Rxg7 33.
Kb2 e5 34. Rc6 Ra7 35. d6 Rgd7 36. Rd5 e4 37. fxe4 fxe4 38. Re5 Rf7 39. Rc2 Rf6
40. Rxe4 Rxd6 41. g4 Rad7 42. h4 Rd2 43. Re2 Rxe2 44. Rxe2 Rc7 45. h5 gxh5 46.
gxh5 Rg7 47. Re6 Rg2+ 48. Kc3 Kxa3 *
Position (FEN): 8/7p/4R3/1p5P/1P6/k1K5/6r1/8 w - - 0 49
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 712
Best move: Ra6#