I've attempted all Drills, but i dont have the Silicon Brain Achievement yet.

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Rubystarling606

I've attempted them all, like how the Achievement requires, however, i havent got the Achievement yet, what do i do? 

Martin_Stahl

There are a number of broken achievements

galactic_soldier_123
How to fix broken achievements? Or do you have to email chess.com help support desk?
JosephReidNZ

The achievement system is buggy. If you contact Support, they might be able to manually it for you.