Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 d6 3. c3 Nc6 4. Bc4 e6 5. O-O Nf6 6. d3 Be7 7. a4 O-O 8. Na3 a6
9. h3 d5 10. exd5 exd5 11. Ba2 h6 12. Bf4 Be6 13. d4 c4 14. Bb1 Bd6 15. Ne5 Qc7
16. Re1 Rfe8 17. Qf3 Bc8 18. Bxh6 Nxe5 19. dxe5 Bxe5 20. Be3 Bd7 21. Bc2 Bc6
22. Qf5 Ne4 23. Bxe4 dxe4 24. Nc2 Re6 25. Nd4 Rf6 26. Qg5 Bd7 27. Qh4 Rg6 28.
a5 Re8 29. Ne2 Qc8 30. Kf1 *
Position (FEN): 2q1r1k1/1p1b1pp1/p5r1/P3b3/2p1p2Q/2P1B2P/1P2NPP1/R3RK2 b - - 4 30
Black to move.
Themes:  Middlegame  
Puzzle rating: 1550
Best move: Bf6