Background
Belavenets was born in Smolensk to a noble family.
Belavenets was born in Smolensk to a noble family.
Over the next few years they studied with Belavenets"s uncle, Konstantin Vygodchikov.
He tied for 1st-2nd with Vasily Smyslov in the 18th Championship of Moscow in 1938, tied for 6-7th in the 19th Championship of Moscow in 1939/40, and took 2nd in the 20th Championship of Moscow in 1941. While fighting in the Soviet Army during the Second World War, Belavanets was killed in an action at Staraya Russa in 1942. Since 1984, international chess competitions "In Memoriam of South.V.Belavenets" have been held in Smolensk.