Oleg Dementiev

He successfully participated in the Russian Chess Championships.

In 1970 in Kuibyshev he shared 3rd and 4th place (won by Anatoly Karpov),[1] but in 1971 in Penza he shared 1st place with Valery Zilberstein.

[2] In 1970 he participated in the USSR Chess Championship final in Riga and shared 10th and 11th place.

[3] In 1974 he won the Burevestnik Soviet sports society chess championship.

[4] Starting in the mid-1970s he worked as a coach in Kaliningrad and there contributed to the development of chess.