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Scott Sommerdorf | The Salt Lake Tribune Nineteen-year-old Kayden Troff in his West Jordan home, Wednesday, July 5, 2017. Tro Scott Sommerdorf | The Salt Lake Tribune Nineteen-year-old Kayden Troff collects a chess set from each new country he visits Scott Sommerdorf | The Salt Lake Tribune Nineteen-year-old Kayden Troff collects a chess set from each new country he visits Scott Sommerdorf | The Salt Lake Tribune Nineteen-year-old Kayden Troff holds the Under 14 World Champion trophy he won in Sl Scott Sommerdorf | The Salt Lake Tribune Nineteen-year-old Kayden Troff in his West Jordan home, Wednesday, July 5, 2017. Tro Scott Sommerdorf | The Salt Lake Tribune Nineteen-year-old Kayden Troff in his West Jordan home, Wednesday, July 5, 2017. Tro Scott Sommerdorf | The Salt Lake Tribune Nineteen-year-old Kayden Troff studies a game in his West Jordan home, Wednesday, Ju Austin Fuller | Courtesy Kayden Troff practices chess with fellow competitors at the Opening Ceremony of the 2016 U.S. Junior C Scott Sommerdorf | The Salt Lake Tribune Nineteen-year-old Kayden Troff in his West Jordan home, Wednesday, July 5, 2017. Tro Scott Sommerdorf | The Salt Lake Tribune Some of the lines of moves Nineteen-year-old Kayden Troff studies in getting ready f Scott Sommerdorf | The Salt Lake Tribune Nineteen-year-old Kayden Troff takes the opposing queen with his knight in his West Austin Fuller | Courtesy Kayden Troff plays chess against Tom Kroenung, Director of STEM Programs at the Greater St. Louis Area Austin Fuller | Courtesy Kayden Troff competes at the 2016 U.S. Junior Championship at the Chess Club and Scholastic Center of Austin Fuller | Courtesy Kayden Troff discusses chess strategy with fellow grandmaster Alejandro Ramirez during the 2016 U.S. J Austin Fuller | Courtesy Kayden Troff competes against international master Aleksandr Ostrovskiy during the 2016 U.S. Junior Ch