Chess puzzle (Advantage)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 cxd4 6. cxd4 Nge7 7. Bb5 Bd7 8. Bg5
Qa5+ 9. Nc3 Ng6 10. Bxc6 Bxc6 11. a3 Bb5 12. b4 Qb6 13. Be3 Be7 14. a4 Bc4 15.
b5 a6 16. Nd2 axb5 17. Nxc4 bxc4 18. O-O O-O 19. Rb1 Qc7 20. Kh1 Qd8 21. f4 b6
22. f5 Nh4 23. f6 Bxf6 *
Position (FEN): r2q1rk1/5ppp/1p2pb2/3pP3/P1pP3n/2N1B3/6PP/1R1Q1R1K w - - 0 24
White to move.
Themes:  Middlegame  
Puzzle rating: 1449
Best move: exf6