Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 g6 3. e3 d6 4. Bc4 Bg7 5. Nc3 O-O 6. Nf3 c6 7. O-O b5 8. Bb3
a5 9. a4 b4 10. Ne2 Ba6 11. c4 bxc3 12. bxc3 Nbd7 13. Re1 Ne4 14. Qc2 d5 15.
Ng5 Ndf6 16. c4 h6 17. Nxe4 Nxe4 18. Ng3 Nxg3 19. Bxg3 dxc4 20. Bxc4 Bxc4 21.
Qxc4 Qd5 22. Rac1 Rfc8 23. Qc5 e6 24. Rc2 Bf8 25. Qxd5 exd5 26. Rec1 Ra6 27.
Bf4 Kh7 28. h4 Bb4 29. g4 f6 30. Kg2 Kg7 31. Kf3 g5 32. Bg3 Kf7 33. h5 Ke7 34.
Ke2 Bd6 35. Kf3 Bxg3 36. Kxg3 Kd6 37. f4 Rb6 38. Rc5 Rb3 39. Kf3 gxf4 40. Kxf4
Rb2 41. Rxa5 Rf2+ 42. Kg3 Re2 43. Kf3 Ra2 44. Ra6 Ra3 45. a5 Rc7 46. Ra8 Re7
47. Rd8+ Kc7 48. Rf8 Rexe3+ 49. Kf4 *
Position (FEN): 5R2/2k5/2p2p1p/P2p3P/3P1KP1/r3r3/8/2R5 b - - 1 49
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1385
Best move: Rf3#