<prompt> Pedzisa mutsara unotevera: Igor Anatolievich Potyakin ; akazvarwa 14 Gunyana 1955 ari pamudyandigere Russian backstroke mutambi uyo akahwina menduru yebronze mu 4 × 100 m medley relay pa  <response>: 1974 Makwikwi eEuropean Aquatics. Munguva yebasa rake akahwina mikombe mitanhatu yenyika mumamita zana 1973-1976 uye mazana maviri emamita kumusana 1974 uye 4 × 100 m medley relay 1974. 