Chess puzzle (Crushing)
Moves: 1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 Nbd7 8.
Qc2 h6 9. Bh4 Nh5 10. Bxe7 Qxe7 11. Nge2 Nb6 12. O-O O-O 13. Rae1 Be6 14. f3
Qg5 15. e4 Nf4 16. Nxf4 Qxf4 17. g3 Qf6 18. e5 Qe7 19. f4 f5 20. exf6 Qxf6 21.
Qf2 Bf5 22. Bxf5 Qxf5 23. Re5 Qf7 24. Rfe1 Rfe8 25. Qe2 Kf8 26. Qg4 Nc4 27. Re6
Rxe6 28. Rxe6 Re8 29. Re2 Rxe2 30. Qxe2 Qf6 31. Qf2 Qf5 32. b3 Nd6 33. Qe2 Qf6
34. Qe5 Kf7 35. g4 g5 36. f5 h5 37. h3 hxg4 38. hxg4 a6 39. Kf2 Qh6 40. Kg2 Qf6
41. Qxf6+ Kxf6 42. Kf3 Ke7 43. Na4 Ne4 44. b4 b5 45. Nb2 Nc3 46. a4 *
Position (FEN): 8/4k3/p1p5/1p1p1Pp1/PP1P2P1/2n2K2/1N6/8 b - - 0 46
Black to move.
Themes:  Endgame, Knight Endgame  
Puzzle rating: 1201
Best move: bxa4