Chess puzzle (Checkmate)
Moves: 1. d4 c5 2. dxc5 e5 3. Nc3 Bxc5 4. e3 Nc6 5. Nf3 Nf6 6. Bc4 O-O 7. O-O d6 8. a3
Be6 9. Bxe6 fxe6 10. b4 Bb6 11. Bb2 d5 12. Re1 Qd6 13. b5 Na5 14. a4 Nc4 15.
Qb1 Nxb2 16. Qxb2 Rac8 17. Rad1 Ba5 18. Ne2 Bxe1 19. Nxe1 e4 20. Nf4 g5 21. Nh3
Ng4 22. g3 h6 23. Ng2 Qc5 24. Rc1 Qc3 25. Qa2 Qd2 26. Qb2 Rxf2 27. Nxf2 Qxf2+
28. Kh1 Qf3 29. Qd4 Rf8 30. h3 Qf1+ 31. Rxf1 *
Position (FEN): 5rk1/pp6/4p2p/1P1p2p1/P2Qp1n1/4P1PP/2P3N1/5R1K b - - 0 31
Black to move.
Themes: Kingside Attack Endgame Mate in 1 
Puzzle rating: 835
Best move: Rxf1#