Chess puzzle (Equality)
Moves: 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. b3 d6 5. exd6 cxd6 6. Bb2 Bf5 7. d4 N8d7 8.
Nf3 Qc7 9. d5 Nf6 10. Bd3 Bg4 11. Nbd2 g6 12. O-O Bg7 13. Rb1 O-O 14. h3 Bxf3
15. Qxf3 Nbd7 16. Qg3 Ne5 17. Bc2 b5 18. f4 Nh5 19. Qe3 Nd7 20. Bxg7 Nxg7 21.
Rf3 Nf6 22. Ne4 Nxe4 23. Qxe4 Rab8 24. Rc1 bxc4 25. Rc3 f5 26. Qe3 Qa5 27. bxc4
Qxa2 28. Ra3 Qxc4 29. Rxa7 Qxd5 30. Qxe7 Rf7 31. Qxf7+ Qxf7 32. Rxf7 Kxf7 33.
Rd1 Ke7 34. Re1+ Kd7 35. Ba4+ Kd8 36. Kf2 Nh5 37. Re8+ Kc7 38. Re7+ Kb6 39.
Rxh7 Ka5 40. Bd1 Nxf4 41. Bf3 Kb6 42. Rh6 Kc5 43. Kg3 g5 44. Rf6 d5 45. Rxf5
Kc4 46. Rxg5 Nd3 47. Bxd5+ Kd4 48. Bf3 Rf8 49. Rd5+ Ke3 50. h4 Rg8+ 51. Kh3 *
Position (FEN): 6r1/8/8/3R4/7P/3nkB1K/6P1/8 b - - 2 51
Black to move.
Themes:  Endgame  
Puzzle rating: 1571
Best move: Nf4+