Chess puzzle (Checkmate)
Moves: 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 O-O 6. O-O Nxe4 7. Bxf7+ Rxf7 8.
Nxe4 d5 9. Neg5 Rf8 10. Re1 Qd6 11. Ne5 Nc6 12. Ngf3 Rxf3 13. Nxf3 Bg4 14. c3
Rf8 15. Re3 Bh6 16. Rd3 g5 17. Bd2 Bf5 18. Re3 g4 19. Nh4 Bxe3 20. Nxf5 Bxf2+
21. Kxf2 Rxf5+ 22. Kg1 Qg6 23. Qb3 Na5 24. Qb4 Nc4 25. Rd1 Qe6 26. Re1 Nxd2 27.
Rxe6 *
Position (FEN): 6k1/ppp1p2p/4R3/3p1r2/1Q1P2p1/2P5/PP1n2PP/6K1 b - - 0 27
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 564
Best move: Rf1#