Chess puzzle (Checkmate)
Moves: 1. f4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 Bd6 5. Bb2 O-O 6. c4 dxc4 7. Bxc4 a6 8. O-O
b5 9. Be2 c5 10. Nc3 Bb7 11. Rc1 Nc6 12. Bd3 Qb6 13. Kh1 e5 14. fxe5 Nxe5 15.
Nxe5 Bxe5 16. Rc2 b4 17. Na4 Qc7 18. Rxc5 Qd6 19. Bxh7+ Nxh7 20. Bxe5 Qg6 21.
Qe2 a5 22. Rf4 Ba6 23. Qd1 Bb7 24. Rg4 Ng5 25. Bxg7 f5 26. Bxf8 fxg4 27. Be7
Ne4 28. Qc2 Nf2+ 29. Kg1 Be4 30. Qc4+ Kh7 31. Kxf2 Rf8+ 32. Kg1 Rf7 33. Rg5 Bd3
34. Rxg6 *
Position (FEN): 8/4Br1k/6R1/p7/NpQ3p1/1P1bP3/P2P2PP/6K1 b - - 0 34
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 550
Best move: Rf1#