Chess puzzle (Checkmate)
Moves: 1. Nf3 c5 2. c3 g6 3. g3 Bg7 4. Bg2 Nc6 5. O-O Nf6 6. d3 O-O 7. Nbd2 d5 8. Re1
e5 9. e4 d4 10. c4 Nh5 11. a3 a5 12. Rb1 Qe8 13. b3 f5 14. exf5 gxf5 15. Nxe5
Nxe5 16. f4 Qg6 17. fxe5 f4 18. Be4 Qg5 19. Nf3 Qg4 20. Nh4 Qxd1 21. Rxd1 fxg3
22. hxg3 Nxg3 23. Kg2 Nxe4 24. dxe4 Bxe5 25. Bh6 Rf6 26. Bg5 Rf7 27. Rg1 Rg7
28. Kh1 Ra6 29. Rbf1 Bd7 30. Be7 Bc6 *
Position (FEN): 6k1/1p2B1rp/r1b5/p1p1b3/2PpP2N/PP6/8/5RRK w - - 12 31
White to move.
Themes: Pin Middlegame Mate in 1 
Puzzle rating: 1045
Best move: Rf8#