Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Kalashnikov_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5
Nge7 9. Bg5 Qa5+ 10. Bd2 Qd8 11. Bg5 Be6 12. c4 Nd4 13. cxb5 f6 14. Nxf6+ *
Position (FEN): r2qkb1r/4n1pp/p2pbN2/1P2p1B1/3nP3/N7/PP3PPP/R2QKB1R b KQkq - 0 14
Black to move.
Themes:  Middlegame  
Puzzle rating: 986
Best move: gxf6