Nyorai mberi kweiyi ndima - Esser akawanawo menduru nomwe paICF Canoe Sprint World Championships negoridhe mbiri (K-2 500 m: 1963, 1970), sirivha ina (K-1 500 m: 1966
, K-4 500 m: 1963, 1966, 1971), uye bronze (K-4 500 m: 1970).