 Rambai muchinyora ndima iyi - Chinnapasaen akakodzera kumakwikwi evarume emamita 50 akasunungukapaMitambo yeOlympic yeZhizha ya2004 muAthens, nekunyora nguva yeFINA B-standard yekupinda ye23.20 kubva kuSoutheast Asian Games muHanoi, Vietnam. Akadenha vamwe vanoshambira vanomwe mukupisa kwechitanhatu, kubatanidza mukwikwidzi weOlympic katatu Julio Santos wokuEcuador. Akamhanyira kunzvimbo yechitanhatu nechidimbu chezana chechipiri 0.01 shure kweCyprus Chrysanthos Papachrysanthou muna 23.52. Chinnapasaen akakundikana kuenda kuma semifinals, sezvo akaenzana nenzvimbo makumi mana nenhanhatu yekubatana nemenduru yeSEA Games uye aimbove mukwikwidzi Allen Ong wekuMalaysia mumatanho ekutanga. 