Chess puzzle (Advantage)
Moves: 1. d4 d5 2. Bf4 Bf5 3. e3 e6 4. Nf3 Bd6 5. Bxd6 Qxd6 6. Bd3 Qb4+ 7. Nbd2 Bxd3
8. cxd3 Nf6 9. Qb3 Nc6 10. O-O O-O 11. Rac1 Qxb3 12. Nxb3 Nb4 13. Rxc7 Nxd3 14.
Rxb7 Ne4 15. Nbd2 Nxd2 16. Nxd2 Rfb8 17. Rxb8+ Rxb8 18. Nb3 Nxb2 19. Rc1 Nc4
20. g4 a5 21. Rc2 a4 22. Nd2 Rb2 23. Rxb2 Nxb2 24. Nb1 Nc4 25. Kf1 Kf8 26. Ke2
Ke7 27. Kd3 Kd6 28. Kc3 f5 29. h3 fxg4 30. hxg4 h6 31. Kb4 a3 32. Nxa3 *
Position (FEN): 8/6p1/3kp2p/3p4/1KnP2P1/N3P3/P4P2/8 b - - 0 32
Black to move.
Themes:  Endgame, Knight Endgame  
Puzzle rating: 713
Best move: Nxa3