How did I draw? (Endgame help!)

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tarius78

I was happy to salvage the game as a draw, but really, I had a decent advantage, and I should have won...


So I need some analytical help here, to figure out what was right and where I went wrong in this game, which I feel I otherwise did well in, but bungled the win away.

Please have a look and comment:

chessbeginner77

I think you played a blunder on move 48. Nf2.

tryst

Just an immediate feeling, but I think you win on move 59. Instead of Rh8, how about Kxa6. Later on give up the rook for his pawn and escort one of your connected passed pawns for the Queen.