Dourerassou focused his competitive energy mainly in France and Spain but also made several appearances in international contests. In a challenge against eight-time French champion Etienne Bacrot, Dourerassou had an exceptional performance but fell short of victory.
In team competitions, he represented France both at the U16 Chess Olympiad in 1995 and 1996.
Overall, Dourerassou has made remarkable contributions to the world of chess, with a number of significant achievements on both domestic and international stages. He is known for his aggressive style of play and his deep understanding of the game.