computer-easy game analysis

Its fun to play against the easy computer i'm trying to figure out, why it is easy.
I mean what does it do wrong since all other computers usualy beat me.
Its not a stupid engine, but its handicapted in some ways i'm not sure.
In this game i play not a good game, but its a verry close finish in the end.
I was 1 move away of loosing it, in the end game, so i did some good recovery.
Although you will see why i win, its because of these handicapted moves.
But beyond these moves it still does play pretty good, almost humanly.

So lets explore a huma win.