Οn December 1-2 & 8, 2012, has taken place Championship of the Hellenic Karate Federation at the Olympic center of Ano Liosia district.

Yoshukan Honbu Dojo and Yoshukan branch of Argos city, participated with a team of athletes that contested in kata and kumite at the following categories:

Toumanian George achieved 3^rd place in Men kumite, Kondilarou Marianthi 3^rd place in Young Women kata, Pop Vanessa 1^st place in the category of Cadets kata and Spanos Nikolaos 1^st place in Junior kata.

Also in Men kumite participated Toumanian Eleftherios, in Young Men kumite Psihogios Crhristos, in Junior kumite Hantzis George and in Cadets kata Notara Vera and Giannaki Fotini.