performance enhancing substances in chess

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Avatar of k9p

is there any histoory of performance enhancing substance use in chess, are competitors tested.....

Avatar of Noswals

You mean like steroids? 

 

Avatar of urk
The top players are being tested for certain substances but I think it's pretty ridiculous.
Avatar of k9p

i mean like ritalin for concentration or similar amphetamine like substances

Avatar of Noswals

I agree with Urk.  Enhanced focus would be of little use if the player had no talent to begin with!