Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. Nc3 a6 5. h3 Nc6 6. a3 Nf6 7. d3 Be7 8. Be3 b5
9. Bb3 Bb7 10. O-O O-O 11. Ne1 Qd7 12. Qf3 Nd4 13. Qg3 Nxb3 14. cxb3 Rfe8 15.
Bh6 Nh5 16. Qg4 g6 17. Be3 c4 18. bxc4 bxc4 19. dxc4 Nf6 20. Qg3 Nxe4 21. Nxe4
Bxe4 22. Nf3 Qa4 23. Nd2 Bd3 24. Rfc1 Rac8 25. Qg4 Rc5 26. Bxc5 dxc5 27. b3 Qa5
28. Ne4 *
Position (FEN): 4r1k1/4bp1p/p3p1p1/q1p5/2P1N1Q1/PP1b3P/5PP1/R1R3K1 b - - 2 28
Black to move.
Themes:  Middlegame  
Puzzle rating: 1449
Best move: f5