Chess puzzle (Crushing)
Moves: 1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Qxd5 5. Nc3 Qe6+ 6. Be2 Nf6 7. Nf3 g6 8.
O-O Bg7 9. Re1 Bd7 10. d4 O-O 11. d5 Qb6 12. Rb1 Na6 13. Be3 Qa5 14. Bd4 Nc7
15. b4 Qa3 16. Rb3 Qxb3 17. Qxb3 Ncxd5 18. Nxd5 Be6 19. Bc4 Nxd5 20. Bxg7 Kxg7
21. Bxd5 Bxd5 22. Qxd5 b6 23. Rxe7 Kg8 24. Rxf7 Rxf7 25. Qxa8+ Kg7 26. Qd5 h6
27. Ne5 Rc7 28. Qd7+ Rxd7 29. Nxd7 Kf7 30. f4 Ke6 31. Ne5 g5 32. Nd3 gxf4 33.
Nxf4+ Ke5 34. Nd3+ Kd4 35. Nf4 Kc4 36. a3 Kb3 37. Nd5 Kxa3 38. Kf2 a5 39. bxa5
bxa5 40. h4 Kb3 41. g4 a4 42. Ne3 *
Position (FEN): 8/8/7p/8/p5PP/1k2N3/5K2/8 b - - 1 42
Black to move.
Themes:  Endgame, Knight Endgame  
Puzzle rating: 914
Best move: a3