Chess puzzle (Advantage)
Moves: 1. d4 d5 2. Nf3 c5 3. c3 e6 4. g3 Nf6 5. Bf4 Bd6 6. Nbd2 Bxf4 7. gxf4 cxd4 8.
cxd4 Nc6 9. e3 O-O 10. Bd3 Qa5 11. Ke2 Nb4 12. Bb1 Qb5+ 13. Ke1 Nd3+ 14. Bxd3
Qxd3 15. Ne5 Qb5 16. Qc2 b6 17. a4 Qa5 18. Nc6 Qa6 19. b4 Bd7 20. b5 Qb7 21.
Ne5 Rac8 22. Qb1 Ne4 23. Nxe4 dxe4 24. Nxd7 Qxd7 25. Qxe4 Qd6 26. Ke2 f5 27.
Qb7 Rc2+ 28. Kf3 Qd5+ 29. Qxd5 exd5 30. a5 bxa5 31. Rxa5 Rb8 32. Rha1 h6 33. b6
axb6 34. Rxd5 g6 35. Rb5 Kf7 36. Ra7+ Ke6 37. h4 Kd6 38. Re5 b5 39. Ra6+ Rc6
40. Rxc6+ Kxc6 41. d5+ Kd6 42. e4 fxe4+ 43. Kxe4 b4 44. Kd3 *
Position (FEN): 1r6/8/3k2pp/3PR3/1p3P1P/3K4/5P2/8 b - - 1 44
Black to move.
Themes: Advanced Pawn Endgame, Rook Endgame  
Puzzle rating: 772
Best move: b3