Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Bowdler_Attack
Moves: 1. e4 c5 2. Bc4 e6 3. Nf3 d5 4. exd5 exd5 5. Bb3 Nf6 6. O-O Be7 7. d4 c4 8.
Ba4+ Bd7 9. Bxd7+ Nbxd7 10. Re1 O-O 11. Bg5 b5 12. c3 Ne4 13. Bc1 Bd6 14. Nbd2
Ndf6 15. Ne5 Bxe5 16. dxe5 Re8 *
Position (FEN): r2qr1k1/p4ppp/5n2/1p1pP3/2p1n3/2P5/PP1N1PPP/R1BQR1K1 w - - 1 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1559
Best move: exf6