Chess puzzle (Checkmate)
Opening: Kings_Gambit_Accepted, Kings_Gambit_Accepted_Fischer_Defense
Moves: 1. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 Qe7 5. O-O Be6 6. Bxe6 fxe6 7. d4 g5 8.
Qe2 Nd7 9. Qb5 O-O-O 10. Qxg5 Qxg5 11. Nxg5 Nh6 12. Bxf4 e5 13. dxe5 dxe5 14.
Be3 Ng4 15. Bd2 Bc5+ 16. Kh1 Rdf8 17. Rxf8+ Rxf8 18. h3 *
Position (FEN): 2k2r2/pppn3p/8/2b1p1N1/4P1n1/7P/PPPB2P1/RN5K b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1333
Best move: Rf1#