Chess puzzle (Checkmate)
Moves: 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. e4 Nge7 7. Nge2 O-O 8. O-O
h6 9. Rb1 Nd4 10. Nxd4 cxd4 11. Ne2 d5 12. b3 dxe4 13. Bxe4 e5 14. f4 f5 15.
Bg2 Nc6 16. Bxc6 bxc6 17. fxe5 c5 18. Nf4 Kh7 19. Qf3 Rb8 20. Qc6 g5 21. Qg6+
Kh8 22. Ne6 Bxe6 23. Qxe6 Rb6 24. Qd5 Qxd5 25. cxd5 Bxe5 26. Ba3 Bd6 27. Rbc1
Rb5 28. Rfe1 Rf6 29. Re8+ Kg7 30. Rc8 Ra5 31. Bxc5 Bxc5 32. R8xc5 Rxa2 33. R1c4
Rb6 34. b4 Rb2 35. Rc7+ Kf8 36. Rxa7 Rb8 37. d6 Ke8 38. Rh7 R2xb4 39. Rxh6 Rb1+
40. Kf2 R8b2+ 41. Kf3 *
Position (FEN): 4k3/8/3P3R/5pp1/2Rp4/3P1KP1/1r5P/1r6 b - - 4 41
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 860
Best move: Rf1#