Mateusz Bartel is a Polish chess grandmaster. He won the Polish chess championship in 2006, 2010, 2011 and 2012. He has repeatedly represented Poland in team competitions, including: five times at the Chess Olympiads, four times at the European team championships, twice at the European junior under-18 team championships. He achieved the highest ranking in his career to date on May 1, 2012, with a score of 2677 points, at that time he was ranked 73rd on the FIDE world list, at the same time ranking 2nd (behind Radoslaw Wojtaszek) among Polish chess players.