The story doesn't include much detail about the endowment, other than that it's big, but it's still humorous. I suppose it is so because, as intelligent as this man must be for being a world chess champ, he still attributes his large size as a correlate to his shoe size, US14.
http://mdn.mainichi.co.jp/news/20041018p2a00m0dm001001c.html
http://mdn.mainichi.co.jp/news/20041018p2a00m0dm001001c.html