Chess puzzle (Advantage)
Moves: 1. d4 d5 2. Bf4 Bf5 3. Nd2 g6 4. e3 Bg7 5. c4 Nf6 6. Qb3 b6 7. Qa4+ Bd7 8. Qb3
O-O 9. cxd5 Bf5 10. Bd3 Bxd3 11. Qxd3 Nxd5 12. Bg3 Nb4 13. Qe4 f5 14. Qe6+ Kh8
15. Kd1 Rf6 16. Qc4 a5 17. Be5 Rc6 18. Bxg7+ Kxg7 19. Qb5 Rc2 20. Ngf3 c6 21.
Qe5+ Kg8 22. Ng5 Qd5 23. Qxe7 Qd7 24. Qf6 Rxb2 25. Ne6 *
Position (FEN): rn4k1/3q3p/1pp1NQp1/p4p2/1n1P4/4P3/Pr1N1PPP/R2K3R b - - 1 25
Black to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 1770
Best move: N8a6