So learned chess from his father at age 6 and was competing in junior tournaments by 9 years old. By earning his Grandmaster title at the age of 14 years, 1 month, and 28 days, So completed the trifecta as the Philippines’ youngest-ever National Champion, International Master and Grandmaster. Considered a chess prodigy, he is the eighth-youngest GM in the world.
So came to the U.S. in August 2012, enrolling at Webster University in Saint Louis. There, he made the jump from top-100 to top-10 in the world, leading the school to back-to-back national titles along the way.
In October 2014, So won the inaugural Millionaire Open in Las Vegas along with its $100,000 prize, then returned to Saint Louis to lead the Arch Bishops to their first-ever U.S. Chess League championship.
So participated in his first world-elite tournament with a fourth-place effort in 2014 at the 77th Tata Steel Chess Tournament in Wijk aan Zee, Holland, though returned this past January and tied for second place, just a half-point behind winner World Champion Magnus Carlsen. Wesley also participated in the 2015 Sinquefield Cup as the wildcard selection.