He is the son of painter Jean-Maxime Relange and has played with the Paris chess club Clichy. He earned his GM title in 1998, though gradually stepped away from professional chess beginning in 2005.[1]
He is also a poker player, and finished in first place in a € 500 No Limit Hold'em - Freezeout tournament in Paris in March 2008.[2] He has also written articles for Live Poker.[3]
In April 2021, he became the president of the French Chess Federation.[1] In May 2022, he led the federation to become part of the French National Olympic and Sports Committee.[4]