Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. d3 O-O 5. Bd2 Nc6 6. a3 Bc5 7. h3 d6 8. Bg5
a6 9. Nd5 Be6 10. Bxf6 gxf6 11. Nc3 f5 12. exf5 Bxf5 13. Be2 Kh8 14. O-O Rg8
15. Kh2 Nd4 16. Nxd4 Bxd4 17. Nd5 c6 18. Ne3 Qg5 19. Bf3 d5 20. Nxf5 Qxf5 21.
c3 Ba7 22. Kh1 Rg6 23. c4 Rh6 24. Bg4 Qg6 25. cxd5 cxd5 26. Qe2 Re8 27. Kg1 *
Position (FEN): 4r2k/bp3p1p/p5qr/3pp3/6B1/P2P3P/1P2QPP1/R4RK1 b - - 3 27
Black to move.
Themes:  Middlegame  
Puzzle rating: 1631
Best move: f5