Julio Catalino Sadorra (born September 14, 1986) is a Filipino chess grandmaster. He competed in the FIDE World Cup in 2017 where he was seeded 101 and where he lost to the 28th-seeded Super GM Maxim Matlakov, 0.5-1.5. Sadorra has represented the Philippines at the Chess Olympiad since 2014. He tied for first place in the U.S. Open Chess Championship in 2013. Personal In 2009, Sadorra moved to the United States to pursue an education. He attended the University of Texas at Dallas on a chess scholarship, where he was a team member that went to the Final Four twice. He graduated with a bachelor's degree in Business Administration in 2013, and received the title of Grandmaster while pursuing his studies. Chess career In 2008, then still an International Master (IM), Sadorra played for the Club Intchess Team of Singapore in the 1st Asian Club Chess Cup held in Al-Ain, Abu Dhabi, UAE, manning Board 2 with an ELO of 2431 where he scored 4.0/7 (+4 =0 -3) for a 57.1% winning rate and a Tournament Performance Rating (TPR) of 2400. The team ended in 9th place among 30 teams. GM Sadorra tied for first in the 2013 US Open held in Madison, Wisconsin from July 27-August 4. His eight wins and one loss put him on 8/9 and he finished tied with eventual winner GM Joshua Friedel and IM Mackenzie Molner. Friedel and Molner advanced on tiebreaks to a blitz playoff, which Friedel won as Sadorra eventually finished in 3rd place. He also won the Continental class(2) championship at Virginia in June 2016. In 2017, he tied for first with fellow Filipino GM Mark Paragua in the 9th Annual Chesapeake Open with a record of 6-1 (+5 =2 -0) in the tournament that employed no tie-breaks. Sadorra and Paragua each won US$1,100.00 for their first place tie. He has coached for the North Texas Chess Academy and UT Dallas. Sadorra was part of the University of Texas (UT) Dallas team that won the Pan-American Intercollegiate Championship in 2010, 2011 and 2012. Chess Olympiad GM Sadorra has already played for Team Philippines thrice in the Chess Olympiad, 2014, 2016 and 2018 editions where he played Board 1 in all three (3) olympiads: In the 41st Chess Olympiad held in Tromso, Norway, as the Board 1 player with an ELO of 2590, Sadorra scored 6.5 points playing all 11 games winning