Chess puzzle (Crushing)
Moves: 1. c4 Nf6 2. Nc3 e6 3. g3 Bb4 4. Bg2 Bxc3 5. dxc3 O-O 6. Nf3 d5 7. cxd5 Qxd5 8.
O-O Qxd1 9. Rxd1 Bd7 10. Ne5 Bc6 11. Nxc6 Nxc6 12. Bg5 Nd5 13. c4 Nb6 14. b3 f6
15. Be3 Rfd8 16. Rxd8+ Rxd8 17. Bxc6 bxc6 18. Bc5 a6 19. f3 Nd7 20. Be3 Ne5 21.
Kf2 f5 22. Bf4 Ng6 23. Bxc7 Rd2 24. Ke3 Rd7 25. Bb6 Kf7 26. Bc5 h5 27. Rc1 h4
28. Rc2 h3 29. Rd2 Rxd2 30. Kxd2 Ne5 31. Kc3 g5 32. Kd4 Nd7 33. Bd6 Kf6 34. a4
e5+ 35. Ke3 Ke6 36. c5 Kd5 37. Be7 f4+ 38. gxf4 gxf4+ 39. Kd3 Nxc5+ 40. Bxc5
Kxc5 41. Ke4 *
Position (FEN): 8/8/p1p5/2k1p3/P3Kp2/1P3P1p/4P2P/8 b - - 1 41
Black to move.
Themes:  Endgame, Pawn Endgame  
Puzzle rating: 1216
Best move: Kb4