No. If implanting chips in the brain were actually possible, there are so many other chips that I would rather have than a chess engine.
Would you undergo brain surgery to get an engine chip implanted?

and eventually you will get busted :) does make a fun feat on a party. Well.. no not even that, no one plays chess on parties.
Say houdini 1.5a. And lets say 6 months recovery time from post op but your new rating will be 3200.