 He took part in Swiss Chess Championship finals many times and won gold medals in 1979, 1981 and 1992.He achieved several successes in international chess tournaments, including 1st place in Bad Meinberg (1975), 2nd place in Biel Chess Festival main tournament (1979, behind winner Viktor Korchnoi) and 2nd place in Altensteig (1990, behind winner Alexander Chernin).He participated in World Chess Championships Zonal tournaments three times - Caorle (1972), Vratsa (1975) and Graz (1993).