Chess puzzle (Equality)
Moves: 1. d4 Nf6 2. c4 e6 3. Bg5 h6 4. Bh4 c5 5. Nf3 cxd4 6. Nxd4 Qb6 7. Bxf6 gxf6 8.
Nb3 a5 9. Qd4 Qxd4 10. Nxd4 Nc6 11. Nb5 Kd8 12. e3 Nb4 13. N1a3 d6 14. Be2 Bd7
15. O-O Bc6 16. Rfd1 Kd7 17. Nxd6 Bxd6 18. c5 Rhg8 19. Rxd6+ Ke7 20. f3 Rgd8
21. Rxd8 Rxd8 22. Rd1 Rxd1+ 23. Bxd1 Nxa2 24. Nc4 a4 25. Nb6 Nb4 26. Bxa4 Nd3
27. Bxc6 bxc6 28. Na4 Kd7 29. Kf1 Kc7 30. Ke2 Ne5 31. f4 Nd7 32. b4 f5 33. Kd3
Nf6 34. Nc3 Kb7 35. h3 h5 36. Kc4 Ka6 37. b5+ *
Position (FEN): 8/5p2/k1p1pn2/1PP2p1p/2K2P2/2N1P2P/6P1/8 b - - 0 37
Black to move.
Themes:  Endgame, Knight Endgame  
Puzzle rating: 1510
Best move: cxb5+