Mezue ahịrịokwu na-esonụ: E nyere ya aha nke International Arbiter, ọ bụ onye isi refirii na
23rd Chess Olympiad, na 8th Women's Chess Olympiad, ha abụọ na Buenos Aires 1978. Ọ bụkwa onye isi refirii na asọmpi mmeghachi nke World Chess Championship n'etiti Anatoly Karpov na Viktor Korchnoi na Merano 1981.