Nigeria, April 18 -- Almost one year after Nigerian chess master Tunde Onakoya emerged victorious in his quest to set a new world record for the longest chess marathon, he is attempting to achieve an even bigger feat.

He has launched his second official attempt at setting a new world record for the longest chess marathon, alongside U.S. chess master Shawn Martinez.

The ambitious 70-hour challenge began on 17 April 2025 in the heart of Times Square, New York City, and will run through 20 April, drawing support from fans, global chess enthusiasts, and onlookers alike.

The marathon was officially flagged off in photos and videos shared by The Gift of Chess, a New York-based non-profit organisation committed to distributing chess sets worl...