Chess puzzle (Checkmate)
Moves: 1. e4 Nf6 2. e5 Nd5 3. d4 Nc6 4. Bc4 e6 5. c3 g6 6. Nf3 d6 7. Nbd2 dxe5 8. dxe5
Bg7 9. Ne4 Bxe5 10. Nxe5 Nxe5 11. Bb3 Nf4 12. Bxf4 Nd3+ 13. Kf1 Nxf4 14. Qxd8+
Kxd8 15. Rd1+ Bd7 16. Nf6 Nd5 17. Bxd5 exd5 18. Rxd5 Ke7 19. Rxd7+ Kxf6 20.
Rxc7 Rad8 21. g3 Rd1+ 22. Kg2 Rxh1 23. Kxh1 Rb8 24. Kg2 Kg5 25. Kf3 h5 26. h4+
Kf6 27. Kf4 a6 28. b4 b5 29. Rc6+ Kg7 30. Kg5 Re8 31. f4 Re6 32. Rc5 *
Position (FEN): 8/5pk1/p3r1p1/1pR3Kp/1P3P1P/2P3P1/P7/8 b - - 2 32
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 827
Best move: f6#