Chess puzzle (Advantage)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Nf3 Bg4 5. Be2 e6 6. h3 Bh5 7. d4 Bb4 8.
O-O Ne7 9. Ne4 O-O 10. c3 Bd6 11. Nxd6 Qxd6 12. Qb3 b6 13. Qc2 h6 14. Ne5 Bxe2
15. Qxe2 Nbc6 16. Ng4 f5 17. Nh2 Ng6 18. Re1 Rae8 19. Nf3 Nf4 20. Qc2 Rf6 21.
Bxf4 Qxf4 22. Re3 Rg6 23. Rae1 Qd6 24. Qd1 Na5 25. d5 Nc4 26. Rxe6 Rexe6 27.
dxe6 Qxd1 28. Rxd1 Rxe6 29. Rd8+ Kh7 30. b3 Na5 31. Rd7 Rc6 32. Nd4 Rxc3 33.
Nxf5 Rc2 34. b4 Nb7 35. a3 Rc3 36. Nxg7 Kg6 37. Ne6 Rxa3 38. Rxc7 Nd6 39. Rc6
Ne4 40. Nd4+ Kg5 41. g3 Ra2 42. Nf3+ Kf5 43. Nd4+ Kg5 44. f4+ Kh5 45. g4+ Kh4
46. Rxh6+ Kg3 47. Nf5+ Kxf4 48. Nd6 Ra1+ 49. Kg2 Ra2+ 50. Kf1 *
Position (FEN): 8/p7/1p1N3R/8/1P2nkP1/7P/r7/5K2 b - - 5 50
Black to move.
Themes:  Endgame  
Puzzle rating: 1898
Best move: Kf3