Grandmaster Kiril Georgiev played 360 simultaneous chess games over just over 14 hours, winning 284, drawing 70 and losing 6, setting a world record.
Record no. MRB-2026-006346
Most simultaneous chess games played by one player
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.