Mezue ahịrịokwu na-esonụ: Amụrụ na Septemba 1963, Hertneck meriri German U16 Chess Championship na 1980. O nwetara aha nna ukwu mba ụwa na 1985 na aha nna ukwu ya na 1991. Ọ gbara asọmpi maka West Germany na 1985 World Team Chess Championship, na-enweta 2/5 (+0<unk>1=4). Ọ nọchitekwara anya Germany na Chess Olympiads abụọ (1992 na 1993).
1994), na European Team Chess Championship abụọ (1992 na 2001). Nchịkọta ya n'ozuzu nke Olympiad bụ 121⁄2/20 (+8<unk>3=9}, na ngụkọta nke European Team Championship bụ 71⁄2/14 (+5<unk>4=5). Ihe kachasị elu ya nke Elo nke 2615, setịpụrụ na Jenụwarị 1994, mere ka ọ bụrụ onye ọkpụkpọ nke 32 n'ụwa.