Chess puzzle (Equality)
Moves: 1. d4 f5 2. Bf4 d5 3. e3 Nf6 4. Nd2 e6 5. Ngf3 Bd6 6. Bg3 O-O 7. c3 Nbd7 8. Bd3
c6 9. Qc2 Qa5 10. Bxd6 Rf7 11. Ne5 Ne4 12. f3 Nxe5 13. Bxe5 Nf6 14. Bxf6 Rxf6
15. e4 fxe4 16. fxe4 Bd7 17. Nf3 Raf8 18. O-O Qb6 19. e5 Rf4 20. Bxh7+ Kh8 21.
Ng5 c5 22. Rxf4 Rxf4 23. Rf1 Rxf1+ 24. Kxf1 Bb5+ 25. Ke1 Qc7 26. Nxe6 Qe7 27.
Qf5 Qh4+ 28. Kd1 Qxh7 29. Qxh7+ Kxh7 30. Nxc5 b6 31. Ne6 Kg8 32. a3 Kf7 33. Nc7
Bc6 34. Na6 Kg6 35. Kd2 Kf5 36. Ke3 Kg4 37. Kf2 Kf4 38. Nb4 Bd7 39. Nxd5+ Ke4
40. Ne3 Kd3 41. Nd1 Kd2 42. Ne3 Kc1 43. b3 Kb2 44. g4 Kxc3 45. Nf5 g6 46. Nd6
Kxd4 47. g5 Kxe5 48. Nf7+ Kf5 49. h4 Be6 50. Nh6+ Kf4 51. b4 Ke4 52. Ke2 Bc4+
53. Kf2 Kd4 54. h5 gxh5 55. g6 Kc3 56. Nf5 Kb2 57. Nd6 Bd3 58. a4 Bxg6 59. a5
bxa5 60. bxa5 a6 *
Position (FEN): 8/8/p2N2b1/P6p/8/8/1k3K2/8 w - - 0 61
White to move.
Themes: Defensive Move Endgame  
Puzzle rating: 1540
Best move: Nb7