Why didn't I have 100% accuracy?

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Avatar of EnCrossiantIsBrilliant

https://www.chess.com/analysis/game/live/129875373287?tab=review&move=15 

If you look at the analysis, it says I had 5 best moves, one great move, and 2 book moves. Why does it say I have 99.7 accuracy instead of 100?



Avatar of alex1234567890123

It's because you didn't play the best move at all times.