Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. e4 Bxf1 8.
Kxf1 d6 9. g3 Bg7 10. Kg2 O-O 11. Nf3 Ng4 12. Re1 Nd7 13. Bf4 Qa5 14. h3 Nge5
15. Nxe5 Nxe5 16. Qc1 Nd3 17. Qe3 Nxe1+ 18. Rxe1 Bxc3 19. bxc3 Qxa2 20. Bh6
Rfb8 21. h4 Rb2 22. h5 Rb1 23. hxg6 fxg6 24. Qg5 Ra7 25. Re3 Qd2 26. Rf3 Qxg5 *
Position (FEN): 6k1/r3p2p/3p2pB/2pP2q1/4P3/2P2RP1/5PK1/1r6 w - - 0 27
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 843
Best move: Rf8#