Oleg Dementiev
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| Personal information | |
|---|---|
| Full name | Oleg Ivanovich Dementiev |
| Born | 30 April 1938 |
| Died | 15 November 1991 (aged 53) |
| Chess career | |
| Country | |
Oleg Ivanovich Dementiev (Russian: Олег Иванович Дементьев; 30 April 1938, Sverdlovsk - 15 November 1991, Kaliningrad) was a Russian chess master who won the Russian Chess Championship in 1971.