Chess puzzle (Crushing)
Moves: 1. d4 d5 2. Bf4 Nc6 3. e3 Nf6 4. Nf3 Bg4 5. Nbd2 e6 6. c3 Bd6 7. Bb5 Bxf4 8.
exf4 O-O 9. O-O a6 10. Bd3 Qd6 11. g3 Bh3 12. Re1 h6 13. Ne5 Ne7 14. Qf3 Bf5
15. Bxf5 Nxf5 16. Nb3 b6 17. Rad1 Rac8 18. h4 c5 19. Ng4 Nxg4 20. Qxg4 cxd4 21.
Nxd4 Nxd4 22. Rxd4 Rc4 23. Red1 b5 24. a3 a5 25. f5 Rxd4 26. Rxd4 Rc8 27. fxe6
fxe6 28. f4 Rc4 29. Qd1 Qc5 30. Kg2 Rxd4 31. Qxd4 Qxd4 32. cxd4 Kf7 33. h5 Kf6
34. g4 g5 35. Kf3 gxf4 36. Kxf4 b4 37. axb4 axb4 38. b3 Ke7 39. Ke5 Kf7 40. Kd6
Kf6 41. Kc5 Kg5 42. Kxb4 Kxg4 43. Kc3 Kxh5 *
Position (FEN): 8/8/4p2p/3p3k/3P4/1PK5/8/8 w - - 0 44
White to move.
Themes: Defensive Move Endgame, Pawn Endgame  
Puzzle rating: 1057
Best move: b4