Chess puzzle (Crushing)
Moves: 1. c4 e6 2. g3 d5 3. Bg2 dxc4 4. Qa4+ Bd7 5. Qxc4 Bc6 6. Nf3 Nf6 7. Nc3 Nbd7 8.
e4 h6 9. O-O Be7 10. Re1 O-O 11. d4 Nb6 12. Qb3 a6 13. h4 Re8 14. Bf4 a5 15.
Rad1 Bb4 16. Ne5 Bd7 17. a3 Bxc3 18. Qxc3 Ba4 19. b3 Bd7 20. Nxd7 Qxd7 21. Qxc7
Qxc7 22. Bxc7 Nbd7 23. d5 exd5 24. exd5 Nc5 25. Bxa5 Rxe1+ 26. Rxe1 Nxb3 27.
Bb4 b6 28. d6 Rd8 29. Kf1 Nc5 30. Rc1 Nd3 31. Rc6 Nxb4 32. axb4 b5 33. Rb6 Kf8
34. Ke2 Ne8 35. d7 Nf6 36. Rxb5 Rxd7 37. Rb8+ Ke7 38. Rb7 Rxb7 39. Bxb7 Kd6 40.
Bg2 Nd7 41. Kd3 Ne5+ 42. Kd4 Ng4 43. b5 Nxf2 44. b6 Ng4 45. Kc4 Ne5+ 46. Kb5
Nd7 47. Ka6 Kc5 *
Position (FEN): 8/3n1pp1/KP5p/2k5/7P/6P1/6B1/8 w - - 7 48
White to move.
Themes: Advanced Pawn Endgame  
Puzzle rating: 896
Best move: b7