Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. e3 c5 5. Bb5+ Bd7 6. Bxd7+ Nbxd7 7. O-O Qb6 8.
Bxf6 Nxf6 9. b3 Be7 10. Nbd2 cxd4 11. exd4 O-O 12. c4 Bb4 13. c5 Qc6 14. a3
Bxd2 15. Qxd2 b6 16. b4 a5 17. Ne5 Qc7 18. c6 Ne4 19. Qd3 f6 20. Nd7 Rfd8 21.
b5 a4 22. f3 Ng5 23. Rfe1 Rxd7 24. cxd7 Qxd7 25. Rac1 h6 26. h4 Nf7 27. Rc6 Nd6
28. Qe3 Kf7 29. Rec1 Rc8 30. Qe2 Nc4 31. f4 Rxc6 32. bxc6 Qxc6 33. Qh5+ Kf8 34.
f5 Qd7 35. Re1 e5 36. dxe5 Nxe5 37. Rd1 Nc4 38. Qf3 Qb7 39. Qxd5 Qxd5 40. Rxd5
Nxa3 41. Rd3 Nc4 42. Rc3 *
Position (FEN): 5k2/6p1/1p3p1p/5P2/p1n4P/2R5/6P1/6K1 b - - 3 42
Black to move.
Themes: Defensive Move Endgame  
Puzzle rating: 1736
Best move: b5