Mezue ahịrịokwu na-esonụ: O ruru agba nke anọ na 2013 World Championships na obodo ya bụ Budapest, ebe Nikolay Kovalev nke Russia meriri ya, onye mechara nweta nrite ọlaọcha. O so na ndị otu mba Hungary ruru ọkara-ikpeazụ na asọmpi mba ụwa nke egwuregwu bọọlụ.
2014 World Championships na Kazan, meriri South Korea, mana meriri Russia iji nweta ọla nchara.