GWR certifies Tunde Onakoya as new chess marathon world record holder
Nigerian chess master and founder of Chess in Slums, Tunde Onakoya, alongside his U.S. counterpart, Shawn Martinez, has officially set a new Guinness World Record (GWR) for the longest chess marathon of 64 hours. Announcing this in a series of posts on X.com on Sunday, Onakoya revealed that they have been officially certified by GWR as a validation of their …