Chess puzzle (Crushing)
Moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. f4 Nf6 5. Nf3 Nc6 6. Ne5 Bf5 7. c3 e6 8. Bd3
Bxd3 9. Qxd3 Bd6 10. O-O O-O 11. Nd2 Nd7 12. Ndf3 f6 13. Ng4 Qc7 14. g3 Rae8
15. Rd1 Ne7 16. Be3 e5 17. dxe5 fxe5 18. Nfxe5 Bxe5 19. fxe5 Nxe5 20. Nxe5 Qxe5
21. Bd4 Qb8 22. Re1 Nc6 23. Bc5 Rxe1+ 24. Rxe1 Rd8 25. Qf5 h6 26. Re6 d4 27.
cxd4 Nxd4 28. Bxd4 Rxd4 29. Qg6 Rd1+ 30. Kg2 Rd2+ 31. Kh3 Qc8 32. g4 Rd3+ 33.
Qxd3 Qxe6 34. b3 h5 35. Qd8+ Kh7 36. Qd3+ g6 37. Qd4 a6 38. Kg3 hxg4 39. Qxg4
Qe3+ 40. Qf3 Qe5+ 41. Kg4 Qh5+ 42. Kg3 Qxf3+ 43. Kxf3 Kh6 44. Kg4 b5 *
Position (FEN): 8/8/p5pk/1p6/6K1/1P6/P6P/8 w - - 0 45
White to move.
Themes: Defensive Move Endgame, Pawn Endgame  
Puzzle rating: 1870
Best move: b4