Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bc4 e6 8.
Bg5 Qb6 9. b3 Bb4+ 10. Bd2 Ngf6 11. O-O Qa5 12. c3 Bxc3 13. Bxc3 Qxc3 14. Re1
O-O 15. Rc1 Qa5 16. Nh4 Qxa2 17. Nxg6 fxg6 18. Re2 Qa5 19. Ne4 Nxe4 20. Rxe4
Kh8 21. Bxe6 Nf6 22. Re1 Rae8 23. Bc4 Rxe1+ 24. Qxe1 Qxe1+ 25. Rxe1 Rd8 26. Rd1
b5 27. Be2 h5 28. Bf3 Nd5 29. Rc1 Rd6 30. h4 a5 31. Bxd5 Rxd5 32. Rxc6 Rxd4 33.
Rc8+ Kh7 34. Rb8 b4 35. Ra8 Rd1+ 36. Kh2 Ra1 37. Kg3 Ra3 38. Kf4 Rxb3 39. g3
Rb2 40. Rxa5 Rxf2+ 41. Ke3 Rb2 42. Rb5 Rb3+ 43. Kf4 Rb1 44. Kg5 Kg8 45. Kxg6
Rb3 *
Position (FEN): 6k1/6p1/6K1/1R5p/1p5P/1r4P1/8/8 w - - 1 46
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 651
Best move: Rb8#