Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 Nc6 3. Nf3 e6 4. Be2 g6 5. O-O Bg7 6. d4 cxd4 7. cxd4 d5 8. e5
Nge7 9. Nc3 Bd7 10. Bg5 a6 11. Qd2 O-O 12. Rac1 Qb6 13. b3 Nf5 14. Rfd1 Rac8
15. Bf6 Bxf6 *
Position (FEN): 2r2rk1/1p1b1p1p/pqn1pbp1/3pPn2/3P4/1PN2N2/P2QBPPP/2RR2K1 w - - 0 16
White to move.
Themes:  Middlegame  
Puzzle rating: 1244
Best move: exf6