He was subsequently prized at the 1990 Maria Callas, 1991 Queen Elisabeth (6th) and 1995 Long-Thibaud (4th) competitions.
He performed on concert tours and recitals in various countries in Europe, America and Japan.
[1] He cooperates with the Czech recording label Supraphon, for which he records mainly the arrangements of Czech orchestral repertoire for piano duet, together with his wife Renata Ardaševová.
Ardašev also collaborated with notable Czech-American pianist Rudolf Firkušný.
A DVD is available of Ardašev performing the Dvorak piano concerto with the Prague Symphony Orchestra under Petr Altrichter (ArtHaus Musik 102 139).