Chess puzzle (Crushing)
Moves: 1. c4 c5 2. Nf3 Nc6 3. e3 e6 4. d4 cxd4 5. exd4 d5 6. a3 Nf6 7. Nc3 Be7 8. Bd3
a6 9. cxd5 Nxd5 10. Nxd5 Qxd5 11. O-O O-O 12. Bf4 Bf6 13. Be3 b5 14. Rc1 Bb7
15. Qd2 Nxd4 16. Bxd4 Bxd4 17. Bxh7+ Kxh7 18. Qxd4 Rac8 19. Qf4 Rxc1 20. Rxc1
Kg8 21. h3 Rd8 22. Kh2 f6 23. Rc7 Rd7 24. Rxd7 Qxd7 25. Nh4 Kf7 26. Qg3 a5 27.
Ng6 Be4 28. Nf4 Qd2 29. Nh5 Qh6 30. Qc7+ Kg8 31. Ng3 Bd5 32. Qd8+ Kh7 33. Qxa5
Qf4 34. Qe1 Qd4 35. b4 f5 36. Qe3 Qxe3 37. fxe3 Bc4 38. Kg1 Kh6 39. Kf2 Kg5 40.
Ne2 Bxe2 41. Kxe2 Kh4 42. Kf3 g5 43. a4 *
Position (FEN): 8/8/4p3/1p3pp1/PP5k/4PK1P/6P1/8 b - - 0 43
Black to move.
Themes:  Endgame, Pawn Endgame  
Puzzle rating: 1422
Best move: bxa4