Chess puzzle (Advantage)
Moves: 1. e4 c6 2. Nf3 d5 3. e5 Bf5 4. d4 e6 5. c3 c5 6. Nbd2 Nd7 7. Nb3 Qc7 8. Bb5
Rc8 9. Bxd7+ Kxd7 10. O-O cxd4 11. cxd4 Ne7 12. Nh4 Bg6 13. Bg5 Nc6 14. Rc1 Qb6
15. Nf3 h6 16. Be3 Be7 17. Qd2 Bb4 18. Qd1 Bh5 19. Rc2 Be7 20. Qe2 Bg6 21. Rcc1
Nb4 22. Rxc8 Rxc8 23. Rc1 Bd3 24. Qd2 Nc2 25. Qa5 Qxa5 26. Nxa5 b6 27. Nb3 Bg5
28. Bxg5 hxg5 29. Nxg5 f5 30. f4 a5 31. a4 Rb8 32. Nf3 b5 33. axb5 Rxb5 34. Na1
Rxb2 35. Nxc2 Bxc2 36. Ra1 a4 37. Ra3 Rb1+ 38. Kf2 Kc6 39. Ne1 Bb3 40. Nd3 Kb5
41. Nc5 Rb2+ 42. Kf3 Kb4 43. Ra1 Bc2 44. Nxa4 *
Position (FEN): 8/6p1/4p3/3pPp2/Nk1P1P2/5K2/1rb3PP/R7 b - - 0 44
Black to move.
Themes:  Endgame  
Puzzle rating: 1678
Best move: Bxa4