Chess puzzle (Crushing)
Moves: 1. d4 e6 2. Bf4 b6 3. e3 Bb7 4. Nf3 Nf6 5. c4 d5 6. Nc3 Be7 7. Bd3 O-O 8. Qe2
c5 9. Rd1 cxd4 10. Nb5 Nc6 11. exd4 dxc4 12. Bxc4 Bb4+ 13. Nc3 Nd5 14. Bd2 Na5
15. Ba6 Bxa6 16. Qxa6 Rc8 17. O-O Nc4 18. Nxd5 Bxd2 19. Nxb6 axb6 20. Nxd2 Nxb2
21. Rc1 Ra8 22. Qe2 Qxd4 23. Nb3 Qf6 24. Rfe1 Na4 25. Qd3 Rfc8 26. Rxc8+ Rxc8
27. Qb5 Nc3 28. Qxb6 h5 29. a4 Nxa4 30. Qa6 Rc2 31. Qa8+ Kh7 32. Qe4+ Qf5 33.
Qxf5+ exf5 34. Nd4 Rc5 35. h4 Kg6 36. g3 Nb2 37. Re7 Nd3 38. Kg2 Ne5 39. Ne2
Kf6 40. Ra7 Rc2 41. Nf4 Ng4 42. Nd3 g6 43. Ra6+ Ke7 44. Ra7+ Ke6 45. Ra6+ Kd5 *
Position (FEN): 8/5p2/R5p1/3k1p1p/6nP/3N2P1/2r2PK1/8 w - - 6 46
White to move.
Themes:  Endgame  
Puzzle rating: 1141
Best move: Nb4+