Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_McDonnell_Attack
Moves: 1. e4 c5 2. f4 d6 3. Nf3 e6 4. a3 Be7 5. Bc4 Nf6 6. Nc3 a6 7. O-O b5 8. Ba2 Qb6
9. Kh1 Bb7 10. d3 Nbd7 11. Ne2 h5 12. Ng5 h4 13. Ng1 Nh7 14. Qh5 Bxg5 15. fxg5
O-O-O 16. Qxf7 Rdf8 17. Qxg7 h3 18. Nxh3 *
Position (FEN): 2k2r1r/1b1n2Qn/pq1pp3/1pp3P1/4P3/P2P3N/BPP3PP/R1B2R1K b - - 0 18
Black to move.
Themes: Hanging Piece, Kingside Attack Middlegame  
Puzzle rating: 827
Best move: Rxf1+