Chess puzzle (Checkmate)
Moves: 1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Bb4 5. Bf4 b6 6. e3 Bb7 7. Bd3 d6 8. O-O
Bxc3 9. bxc3 O-O 10. Re1 Ne4 11. Qc2 Rf6 12. Nd2 Nxd2 13. Qxd2 Rg6 14. e4 fxe4
15. Bxe4 Bxe4 16. Rxe4 Qf6 17. Rae1 Qf5 18. c5 d5 19. Re5 Qf7 20. Bg3 Nd7 21.
R5e3 c6 22. cxb6 axb6 23. Rf3 Nf6 24. Qb2 b5 25. Bd6 Qd7 26. Bc5 Ne4 27. Qa3
Rxa3 *
Position (FEN): 6k1/3q2pp/2p1p1r1/1pBp4/3Pn3/r1P2R2/P4PPP/4R1K1 w - - 0 28
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 880
Best move: Rf8#