Among other things, Kindermann finished equal first in Dortmund 1985 and won tournaments in Biel 1986 and Starý Smokovec 1987. In 1988 he was awarded the Grandmaster title. In 1989 he won the chess festival in Bad Wörishofen ahead of Tony Miles and Lucas Brunner. A major success was his first place at the Vidmar Memorial Zonal tournament in Ptuj 1995. He thus qualified for the FIDE World Chess Championship 1998 knock-out tournament, where he was eliminated in the second round by GM Gilberto Milos from Brazil.