Nyorai kupfuurira kweiyi ndima - Ronald Câmara akanga ari mutezo weboka revatongi ve 1972 uye 1986
Chess Olympiads, uye mutongi mukuru weWorld Junior Chess Championship muna 1978. Akanga ari Mutevedzeri weMutungamiri weBrazilian Chess Confederation (1970-1976) uye Mutungamiri weFIDE South American Zone (1974-1978).