Bartel represented his country in the Chess Olympiad in 2006, 2008, 2010, 2012 and 2014. In the Turin 2006 Olympiad he played fourth board, scoring 5/10 (+3 =4 -3). In the Dresden 2008 Olympiad, Bartel scored 4/7 (+3 =2 -2) as the team's third board. In the 2010 Khanty-Mansiysk Olympiad he played on the fifth board scoring 7 points out of 9 games (+6 =2 -1) and got a silver medal for individual result on his board. After Sébastien Feller’s disqualification for cheating, Bartel received the gold medal.