So is a former chess prodigy who became the youngest player to pass the 2600 threshold in October 2008, breaking the record previously held by Magnus Carlsen. In February 2015 he entered the world top-10 after tying for second place at the 2015 Tata Steel Chess Tournament.
Beginning with his win in the 2016 Grand Chess Tour, that he sealed by winning the 2016 Sinquefield Cup, So entered two of his most successful years yet. He won two gold medals at the 2016 Baku Olympiad, one for himself on board three, and one with the entire team. He passed the FIDE rating of 2800 by winning the 2017 Tata Steel Masters tournament, and then became the 2017 U.S. Champion beating Alexander Onischuk in a playoff match. Just last year, Wesley became the first official Fischer Random World Champion after defeating Magnus Carlsen with an astounding 13.5-2.5 score. In May 2020, So won the inaugural Clutch Chess USA tournament, a new online event hosted by the Saint Louis Chess Club.