Chess puzzle (Checkmate)
Opening: Kings_Gambit, Kings_Gambit_Other_variations
Moves: 1. e4 e5 2. f4 d6 3. d3 Nc6 4. Nf3 Bg4 5. Be2 Nf6 6. Nc3 Bxf3 7. Bxf3 Be7 8.
O-O O-O 9. f5 Nd4 10. Re1 d5 11. exd5 Nxf3+ 12. Qxf3 Bd6 13. Bg5 h6 14. Bxf6
Qxf6 15. Ne4 Qe7 16. f6 gxf6 17. Nxf6+ Kg7 18. Qg4+ Kxf6 *
Position (FEN): r4r2/ppp1qp2/3b1k1p/3Pp3/6Q1/3P4/PPP3PP/R3R1K1 w - - 0 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1162
Best move: Rf1#