After 21 Chess.com computer analyses with the usual 5 inaccuracies, 3 mistakes, and 1 or 2 blunders, I get an analysis ( this morning ) with a 0,0,0! My opponent made 1 mistake and 1 blunder and the blunder was actually a tactic that I luckily didn't fall for.

Brilliantly played, I would have fallen for the tactic.

Great! But, of course, the chess.com computer has inaccuracies too, sometimes even BIG ones :O

try downloading Stockfish, Elo rating of that program is over 3200 (!!)

I'm not trying to advertise for that program of course; I'm just saying there are a lot of chess engines that are a lot better which can be useful to calculate the game by setting up all positions and letting them all run (just go on with what ur doing; let the program run)