Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 Nf6 5. Bg5 dxe4 6. Bxe4 Nbd7 7. Ne2 h6 8.
Bxf6 Nxf6 9. O-O Nxe4 10. Nxe4 Qh4 11. N2g3 O-O 12. c3 Bd6 13. Nxd6 cxd6 14.
Re1 Bd7 15. Ne4 Qe7 16. d5 e5 17. Rc1 f5 18. Nd2 Rac8 19. c4 Qh4 20. Qf3 Rf6
21. Qg3 Qxg3 22. fxg3 f4 23. gxf4 Rxf4 24. Re4 Rcf8 25. Rce1 Rf2 26. R1e2 Rxe2
27. Rxe2 Rf4 28. Re4 g5 29. g3 Rf6 30. Re3 Bh3 31. Ne4 *
Position (FEN): 6k1/pp6/3p1r1p/3Pp1p1/2P1N3/4R1Pb/PP5P/6K1 b - - 4 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 492
Best move: Rf1#