Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Other_variations
Moves: 1. e4 c5 2. Nf3 d6 3. d4 g6 4. dxc5 Nc6 5. cxd6 exd6 6. Be3 Bg7 7. Nc3 Nf6 8.
Bb5 O-O 9. Bxc6 bxc6 10. Qd2 a5 11. Bh6 Bxh6 12. Qxh6 Ng4 13. Qd2 f6 14. O-O
Ne5 15. Ne1 f5 16. f4 Qb6+ 17. Kh1 fxe4 18. fxe5 *
Position (FEN): r1b2rk1/7p/1qpp2p1/p3P3/4p3/2N5/PPPQ2PP/R3NR1K b - - 0 18
Black to move.
Themes: Hanging Piece Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 976
Best move: Rxf1#