During the 18th century, when Philidor played two blindfold games of chess simultaneously, eyewitnesses were asked to swear affidavits attesting to this remarkable feat. Since then, blindfold chess--the art of playing without sight of the board or pieces--has produced some of the greatest feats of human memory, progressing to the extent that the world record is 45 simultaneous blindfold games.
During the 18th century, when Philidor played two blindfold games of chess simultaneously, eyewitnesses were asked to swear affidavits attesting to th...
