chessbase.com

mx76o TIL Bobby Fischer is believed to have played online chess in the year 2000, well after his last known game in 1982
wLnEJ TIL in 1947, chess grandmaster Miguel Najdorf played a record 45 simultaneous games of blindfolded chess. He had no way of contacting any friends or family who might have survived the Holocaust, and broke the record in hopes they might see the news coverage. The record stood for 64 years.
ADA0B TIL of "The Game of the Century" where 13 year old Bobby Fischer went up against previous US Open Champion and ended up winning by sacrificing his queen