 Nyorai kuenderera mberi kwechikamu chino - Muna 1990, akaenzanisa rekodhi yake yepasi rose ye100m breaststroke ye1:01.49 kaviri: kutanga, kuhwina goridhe paCommonwealth GamesmuAuckland; uye chechipiri, muBritish Championships yezhizha panguva iyo World Championships yakanga yakarongwa pakutanga. Zvisinei, nemhaka yokuti guta rinogamuchira mutambo wacho, Perth AUS riri muSouthern Hemisphere, makwikwi eWorld Championships akambomiswa kusvikira muna January 1991 kuti aenderane nezhizha. Pano, Moorhouse akahwina imwe nguva inoshamisa ye 1:01.58 asi aifanira kugutsikana nesirivha shure kwechinyorwa chitsva chenyika uye kubudirira kunoshamisa kubva kuHungary Norbert Rózsa. Zvinokosha kucherechedza kuti FINA World Championships yakatamiswa kubva kumakore mana kuenda kumakore maviri makore gumi gare gare. Kudai zvakanga zvakadaro mukupera kwema1980, ipapo Moorhouse angadai akahwina mazita maviri enyika achipiwa kuti akanga ari wokutanga munyika kwemakore mashanu kubva muna 1986 kusvika muna 1990. 