1st Indonesia National Age Group Championship, Medan 1975
The city of Medan, North Sumatera, had an honor to host the 1st Indonesia National Age Group Chess Championship. Erwanto Wahjoewidajat represented the Special Capital Region of Jakarta. Tommy Supriyanto and Edhi Handoko played for the Special Region of Yogyakarta and Central Java respectively. South Borneo and three provinces in Sumatera also sent their players.