Most simultaneous games of international draughts by an individual
According to Official Guinness Records,
The most simultaneous games of international draughts played by an individual was 251 by Jos Stokkel (Netherlands) in Hengelo, Netherlands, on 6-7 November 2010. International draughts is a variant of draughts/checkers in which the board is 10 x 10 pieces long and each participant starts with 20 pieces. This is a record monitored by the World Draughts Federation. According to the FMJD, to be eligible for this record, the participant must have a winning percent of at least 80% and at least 70% of the opponents must be registered members of their national draughts federation.