In 2011 Iranian Grand Master Ehsan Ghaem-Maghami played 604 simultaneous chess games. It took him 24 hours and he won 580 of them.
The largest sandwich weighed 5,440 lb (2,467.5 kg) and was made by Wild Woody’s Chill and Grill in Roseville, Michigan, USA on 17 March 2005.
Heaviest rideable bicycle
Built by Wouter van den Bosch of the Netherlands this bike weighs 750 kg (1653.47).