<prompt> Kalima dǝwo dǝga wuzǝna dǝ: Igor Anatolievich Potyakin ; cido kǝntagǝ Septemberbe kǝn 14 saa 1955 shima bikke bǝlabe Russiabe kǝnǝngatǝma wo, shi dǝye medal konnube suwudǝna suro 4×100 m medley relay lan suro bikke bǝlabe Russiabe dǝn.  <response>: 1974 European Aquatics Championships dә. Suro cidanzǝben shiye kazadala lardǝbe arakkǝ kǝn 100 m 1973-1976 kuru 200 m backstroke 1974 kuru 4×100 m medley relay 1974 lan. 