Chess puzzle (Crushing)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c3 Nf6 5. Bc4 e6 6. Bf4 e5 7. Ng5 Be6 8. Nxe6
fxe6 9. Bg5 d5 10. Bb5+ Nc6 11. Qa4 Qd7 12. cxd4 exd4 13. exd5 Qxd5 14. Bxf6
gxf6 15. O-O Rg8 16. g3 Rg5 17. Bxc6+ bxc6 18. Rd1 e5 19. Nc3 Qd7 20. Ne4 Rg6
21. Rac1 f5 22. Nc5 Bxc5 23. Rxc5 Re6 24. Re1 Qd6 25. Rcxe5 Rxe5 26. Rxe5+ Qxe5
27. Qxc6+ Ke7 28. Qb7+ Kf6 29. Qxa8 Qe1+ 30. Kg2 Qe4+ 31. Qxe4 fxe4 32. Kf1 Ke5
33. Ke2 Kd5 34. Kd2 Kc4 35. Kc2 d3+ 36. Kd2 Kd4 37. g4 Ke5 38. Ke3 Kf6 39. Kd2
Kg5 40. f3 exf3 41. Kxd3 Kxg4 42. Ke3 h5 43. Kf2 Kf4 44. a4 *
Position (FEN): 8/p7/8/7p/P4k2/5p2/1P3K1P/8 b - - 0 44
Black to move.
Themes: Defensive Move Endgame, Pawn Endgame  
Puzzle rating: 1748
Best move: a5