Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. f4 Bg7 5. Nf3 O-O 6. O-O c6 7. c4 a6 8. Nc3 b5
9. e5 Nfd7 10. cxb5 axb5 11. Be3 Nb6 12. Ne4 Nc4 13. Bxc4 bxc4 14. Qc2 Bf5 15.
Nh4 Bxe4 16. Qxe4 e6 17. Nf3 d5 18. Qc2 Nd7 19. g4 c5 20. dxc5 Qc7 21. b4 cxb3
22. axb3 Rxa1 23. Rxa1 f6 24. exf6 Nxf6 25. b4 Nxg4 26. Bd4 Bxd4+ 27. Nxd4 Qxf4
28. Rd1 Ne3 29. Qd2 Qf1+ 30. Rxf1 *
Position (FEN): 5rk1/7p/4p1p1/2Pp4/1P1N4/4n3/3Q3P/5RK1 b - - 0 30
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 841
Best move: Rxf1#