Complex sentence: After the formation of Umaglesi Liga in 1990, as most of the Georgian club joined, likes Dinamo Tbilisi, Dinamo Sokhumi remained in Soviet League system and played in Soviet First League.
Split into simpler sentences: After the formation of Umaglesi Liga in 1990, as most of the Georgian club joined, likes Dinamo Tbilisi. In contrast, Dinamo Sokhumi remained in Soviet League system and played in Soviet First League.