Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Anglo-Indian_Defense
Moves: 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. a3 Be7 5. d4 O-O 6. e4 d5 7. e5 Ne8 8. cxd5
exd5 9. Be2 Be6 10. Rb1 c6 11. O-O b5 12. b4 Nd7 13. Nd2 a5 14. f4 axb4 15.
axb4 Nb6 16. f5 Bd7 17. f6 Bxf6 *
Position (FEN): r2qnrk1/3b1ppp/1np2b2/1p1pP3/1P1P4/2N5/3NB1PP/1RBQ1RK1 w - - 0 18
White to move.
Themes:  Opening  
Puzzle rating: 1041
Best move: exf6