Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nc6 3. e3 e6 4. c3 Bd7 5. Bd3 Be7 6. O-O Nf6 7. Nbd2 O-O 8. e4
dxe4 9. Nxe4 Nxe4 10. Bxe4 a6 11. Ne1 Bf6 12. f4 Bh4 13. Rf3 Bxe1 14. Qxe1 f5
15. Bd3 Qf6 16. Rh3 Na5 17. Be3 b5 18. Bf2 Nc4 19. Qe2 Bc6 20. Bh4 Qg6 21. Re1
Rae8 22. b3 Nd6 23. Re3 Ne4 24. Bxe4 fxe4 25. Bg3 Qf5 26. c4 Rd8 27. d5 exd5
28. cxb5 Bxb5 29. Qc2 g5 30. fxg5 Qf1+ 31. Rxf1 *
Position (FEN): 3r1rk1/2p4p/p7/1b1p2P1/4p3/1P2R1B1/P1Q3PP/5RK1 b - - 0 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 637
Best move: Rxf1#