Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nc3 Nc6 3. Bb5 Bc5 4. Nf3 d6 5. Bxc6+ bxc6 6. d4 exd4 7. Nxd4 Ne7
8. O-O h6 9. h4 Bb6 10. Be3 c5 11. Nf3 Bg4 12. Bf4 Ng6 13. Bg3 O-O 14. Nd5 Ba5
15. a3 c6 16. Ne3 Be6 17. Bxd6 Nxh4 18. Bxf8 Kxf8 19. Nxh4 Qxh4 20. Qd6+ Kg8
21. Qxc6 Rd8 22. Nf5 Bxf5 23. exf5 Rd2 24. Qa8+ Kh7 25. Qxa7 Bd8 26. Qxc5 Bf6
27. a4 *
Position (FEN): 8/5ppk/5b1p/2Q2P2/P6q/8/1PPr1PP1/R4RK1 b - - 0 27
Black to move.
Themes:  Endgame  
Puzzle rating: 1333
Best move: Bd4