Xiong is the third-youngest grandmaster in the US (after Awonder Liang and Samuel Sevian), having been awarded the GM title in September 2015 at age fourteen. Grandmaster Xiong won the 2016 U.S. Closed Junior Championship, and is currently the highest rated player in the U.S. under the age of eighteen. He is rated 2640 FIDE (URS 2622) making him the ninth highest rated player in the country.
This eighteen-year old from Coppell, Texas has a quite an impressive list of results. Showing a tenacity beyond his years he has won the 2015 Chicago Open, finished sixth in the 2016 U.S.Championship (the strongest in history), and was awarded the 2016 U.S. Outstanding Player Achievement Award by USCF.