claim: Charles de Gaulle was a brigadier general.
evidence: Diptayan Ghosh -LRB- born 10 August 1998 -RRB- is a chess player from Kolkata , India .. Kolkata. Kolkata. chess. chess. He was the under-10 champion at the 2008 Asian Youth Chess Championship in Tehran , Iran .. Asian Youth Chess Championship. Asian Youth Chess Championship. Tehran. Tehran. He qualified as a grandmaster at the age of 17 after achieving his third and final grandmaster norm at the HDBank International Chess Open Tournament in Ho Chi Minh City , Vietnam in March 2016 .. grandmaster. Grandmaster ( chess ). norm. Norm ( chess ). Ho Chi Minh City. Ho Chi Minh City