Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. Bg5 Be7 7. Nc3 Bg4 8.
h3 Bh5 9. g4 Bg6 10. Qd2 h6 11. Bh4 Nc6 12. O-O-O Qd7 13. Re1 O-O-O 14. Nb5 a6
15. Nc3 Rhe8 16. Bg2 Bh7 17. Bg3 Kb8 18. Qf4 g5 19. Qa4 Na7 20. Qb3 Bg6 21.
Nxg5 Nd5 22. Bxd5 Bxg5+ 23. Kb1 c6 24. Bg2 f5 25. h4 Be7 26. h5 Bf7 27. gxf5 *
Position (FEN): 1k1rr3/np1qbb2/p1pp3p/5P1P/8/1QNP2B1/PPP2PB1/1K2R2R b - - 0 27
Black to move.
Themes:  Middlegame  
Puzzle rating: 858
Best move: Bxb3