it is possible to get a 100% accuracy
99.7 ACCURACY!

Actually I think anything besides book brilliant or best is what boosts your accuracy. Primarily finding the best move of course, meaning if there is a move better than the book line you're playing that the computer sees it will hit your accuracy a little.

@agentfox481, no kidding, how do i know u?? its that e6 is the best reply from engine, and all my books. and ya. control center, take opponents castle, and develop
So i played a game in the sicilian, and it was the bowdler variation. I know the best move is e6, so i played that. i took the center and that was the best move, i took the bishop he blundered, and i broke his castle. but is it possible to get 100% accuracy?
here is the game
and i wonder, since i played 1 book move, and everything else was best