Chess puzzle (Crushing)
Moves: 1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nc6 5. d5 Ne5 6. Nf3 Bg4 7. Be2 Bxf3 8.
Bxf3 Nf6 9. Bf4 Nxf3+ 10. Qxf3 Qb6 11. O-O Qxb2 12. Nd2 Qb6 13. e5 dxe5 14.
Bxe5 Nd7 15. Nc4 Nxe5 16. Nxe5 Qf6 17. Qe3 g6 18. d6 Qxd6 19. Rfd1 Qe6 20. Qe4
Bg7 21. Qa4+ Kf8 22. Re1 Bxe5 23. f4 Qb6+ 24. Kh1 Bxa1 25. Rxa1 Kg7 26. Rf1
Rhd8 27. f5 Rd4 28. Qc2 Rad8 29. fxg6 Qxg6 30. Qb2 Kg8 31. Qf2 Rd1 32. h3 Rxf1+
33. Qxf1 Qc2 34. Kh2 Rd2 35. Qf3 Rxg2+ 36. Kh1 Rh2+ 37. Kg1 Qg2+ 38. Qxg2+
Rxg2+ 39. Kxg2 Kg7 40. Kf3 Kf6 41. Ke4 b5 42. Kd5 a5 43. Kc5 b4 44. Kb5 Kg5 45.
Kxa5 Kh4 46. Kxb4 Kxh3 47. a4 e5 *
Position (FEN): 8/5p1p/8/4p3/PK6/7k/8/8 w - - 0 48
White to move.
Themes: Defensive Move Endgame, Pawn Endgame  
Puzzle rating: 983
Best move: a5