Éloi Relange is a French chess Grandmaster and is recognized as a FIDE Trainer. Born on February 15, 1975 in Paris, he began playing chess at the age of six. Éloi was first trained by his father, René Relange and later by French Grandmaster Gilles Mirallès. He won the French Junior Chess Championship in 1994, and became an International Master in 1995.
Relange won several other tournaments, coming first in the Sautron Open three times (1997, 2001, and 2003), and in the 1998 Saint-Affrique Open. He also performed well in the French Championships, finishing second in 1998 and 2001, and third in 2006.