Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. Bb5 e6 5. d3 Be7 6. Bxc6 dxc6 7. O-O O-O 8.
Bg5 Nd7 9. Bxe7 Qxe7 10. Re1 b6 11. Ne2 Qf6 12. c3 Qg6 13. Ng3 h6 14. Nh4 Qg5
15. Nf3 Qg6 16. e5 Bb7 17. Re4 b5 18. Nh4 Qf6 *
Position (FEN): r4rk1/pb1n1pp1/2p1pq1p/1pp1P3/4R2N/2PP2N1/PP3PPP/R2Q2K1 w - - 2 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1719
Best move: exf6