Genna Remembers - Genna SosonkoGenna Remembers Genna Sosonko Genna (Gennadi Borisovich) Sosonko was born in Troitsk in Siberia, but spent all his life in Leningrad, where he also achieved a university degree in economic geography. Genna became national master in the Soviet Union, and during 1966 1971 he was the trainer of Mikhail Tal and later on Viktor Korchnoi. Genna immigrated from the USSR in 1972 and settled in the Netherlands. He became an international master in 1974 and a