https://chuvashia-chess.ru/2019/07/31/%d1%81%d0%b5%d0%bc%d0%b8%d0%bd%d0%b0%d1%80-%d1%81%d1%83%d0%b4%d0%b5%d0%b9-%d0%bf%d0%be-%d1%88%d0%b0%d1%85%d0%bc%d0%b0%d1%82%d0%b0%d0%bc-2/
Семинар судей по шахматам