For ethical reasons, few will reveal who has/had it. But if we closely scrutinize the personal life of those who are reputed to be moody, we might find one or two.
Reputedly moody player was Bobby Fischer - but I do not know for certain whether he had bipolar disorder or not.
Has anybody here read something about the bipolar disorder and chess?
Any famous chess player with this illnes?
Alleghedly many creative artists have this disorder, and apparently is the reason for their creativity...