 Complete the following phrase:  He finished seventh at the 1983 European Indoor Championships and at the 1986 European Championships, eighth at the 1987 European Indoor Championships and eleventh at the 1994 European Indoor Championships. He became national champion in 1983, 1987-1990, 1993, 1994, 1998 and 1999. He also competed at the 1983 World Championships as well as the World Indoor Championships in 1987 and 