Chess puzzle (Crushing)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 Qb6 6. Nf3 c6 7. Bc4 Bf5 8.
O-O e6 9. Re1 Be7 10. Bb3 Qc7 11. Qe2 a6 12. Bg5 O-O 13. d5 Nxd5 14. Nxd5 cxd5
15. Bxe7 Qxe7 16. Bxd5 Qc7 17. Bb3 Nc6 18. Rad1 Rad8 19. Nh4 Bg6 20. Nxg6 hxg6
21. c3 Rxd1 22. Rxd1 Rd8 23. Bc2 Rd7 24. h3 Qd8 25. Rxd7 Qxd7 26. Qd3 Qxd3 27.
Bxd3 Ne5 28. Be2 a5 29. f4 Nd7 30. Bf3 b6 31. Kf2 Nc5 32. Bc6 Nd3+ 33. Ke3 Nxb2
34. Bb5 Nd1+ 35. Kd2 Nf2 36. Ke3 Nd1+ 37. Kd2 Nf2 38. Bc6 Nh1 39. g4 Ng3 40.
Ke1 f5 41. Kf2 Ne4+ 42. Bxe4 fxe4 43. Ke3 Kf7 44. Kxe4 Ke7 45. Ke5 b5 46. a3 a4
47. Kd4 Kd6 48. c4 *
Position (FEN): 8/6p1/3kp1p1/1p6/p1PK1PP1/P6P/8/8 b - - 0 48
Black to move.
Themes:  Endgame, Pawn Endgame  
Puzzle rating: 1438
Best move: b4