Chief referee of the tournament, Grandmaster Mikhail Botvinnik with participants of the All-Union Chess Tournament among teams of Palace of Pioneers, dedicated to the 50th anniversary of the pioneer's organization.
- Categories: Science & Technology, Arts, Culture & Entertainment
- Location: Moscow, Russia
- Event date: 19.05.1972
- Date published: 19.09.2010
- Author: Юрий
- Credit: Sputnik
- Source: Sputnik
- Original: J72-10663, 35 mm film
- Media: JPEG, 5309x3543px, 4.2Mb