evgenios ioannidis repeatedly represented greece at the european youth chess championships and world youth chess championships in different age groups, where won two gold medals: in 2011, at the european youth chess championship in the u10 age group, and in 2018, at the european youth chess championship in the u18 age group. in 2010, he won european school chess championship in the u11 age group. in 2016, he played for greece in world youth u16 chess olympiad. in 2017, in uppsala he won the international youth chess tournament.