Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 Bg4 4. Be2 Bxe2 5. Nxe2 e6 6. O-O Bd6 7. a4 Bxf4 8.
Nxf4 O-O 9. Na3 Nbd7 10. c4 dxc4 11. Nxc4 Nb6 12. Nxb6 axb6 13. Rc1 c6 14. b4
Nd5 15. Nxd5 Qxd5 16. Re1 Rfd8 17. Re2 e5 18. Rd2 exd4 19. Rxd4 Qg5 20. Qc2
Rxd4 21. exd4 Rxa4 22. Re1 Ra8 23. Qe4 Qd8 24. g3 g6 25. Re3 Kf8 26. Qe5 Ra1+
27. Kg2 f6 28. Qe6 Qd5+ 29. Re4 Qxe6 30. Rxe6 Kf7 31. Re3 Rb1 32. Rd3 Rxb4 33.
d5 cxd5 34. Rxd5 Ke6 35. Rd8 h5 36. Rb8 b5 37. Rxb7 Kf5 38. h3 Rb3 39. Rb6 Kg5
40. h4+ Kf5 41. Rc6 g5 42. Rc5+ Kg6 43. hxg5 fxg5 44. Rc6+ Kf5 45. Rc5+ Kg4 46.
Rd5 Rb4 *
Position (FEN): 8/8/8/1p1R2pp/1r4k1/6P1/5PK1/8 w - - 6 47
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1235
Best move: f3#