Chess puzzle (Advantage)
Moves: 1. e4 Nc6 2. f4 d6 3. Nf3 Bg4 4. Be2 Nf6 5. d3 Bxf3 6. Bxf3 e5 7. O-O Qd7 8.
Nc3 h5 9. Nd5 Nd4 10. c3 Nxf3+ 11. Qxf3 O-O-O 12. c4 Ng4 13. b4 c6 14. Ne3 g6
15. h3 exf4 16. Qxf4 Bh6 17. Qf3 Ne5 18. Qe2 Bg7 19. Rb1 Qe6 20. b5 c5 21. a4
Rdf8 22. a5 f5 23. Nd5 Kd7 24. b6 a6 25. Nc7 Qe7 26. Qc2 *
Position (FEN): 5r1r/1pNkq1b1/pP1p2p1/P1p1np1p/2P1P3/3P3P/2Q3P1/1RB2RK1 b - - 3 26
Black to move.
Themes:  Middlegame  
Puzzle rating: 1888
Best move: fxe4