Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 Nf6 3. Nf3 Bg4 4. e3 e6 5. Nc3 Bb4 6. a3 Bxc3+ 7. bxc3 O-O 8.
cxd5 Nxd5 9. c4 Nc3 10. Qd3 Na4 11. Be2 c5 12. O-O b6 13. d5 b5 14. cxb5 Qf6
15. Bd2 Nb6 16. d6 N8d7 17. e4 e5 18. Bg5 Qe6 19. Bh4 f6 20. a4 Bxf3 21. Bxf3
Nc4 22. Bd1 Nxd6 23. Bb3 c4 24. Bxc4 Qxc4 25. Qxd6 Nb6 26. a5 Nc8 27. Qd5+ Qxd5
28. exd5 Nd6 29. Rab1 Rab8 30. b6 axb6 31. axb6 Rf7 32. f3 Rfb7 33. Bf2 Nc4 34.
Rfd1 Nxb6 35. Bxb6 Rxb6 36. Rxb6 Rxb6 37. Kf2 Kf7 38. Ke3 Ke7 39. Ke4 Kd6 40.
f4 Rb4+ 41. Kf5 *
Position (FEN): 8/6pp/3k1p2/3PpK2/1r3P2/8/6PP/3R4 b - - 2 41
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 573
Best move: Rxf4#