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…
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