Tunde Onakoya, a chess mastermind and founder of Chess in Slums Africa, has just wrapped up a truly inspiring challenge! He attempted to break the Guinness World Record for the longest chess marathon without a loss, aiming to surpass the existing mark of 56 hours and 9 minutes. As of this report, on Saturday, April 20th, there hasn't been any official confirmation from the Guinness World Records social media pages about Tunde's attempt.