In 1978, Maeng – Ho started under the leadership of Martin Borneman. In a short while Dutch champion has half weight. In 1984, Jan Frank Lobman challenged, despite the fact that Frank was under heavyweights, this was not the case in the match. With 10 kilo difference, the match was exciting until the last minute. Unfortunately, Jan lost points but it was a real battle of the Titans. From 1986, Jan made a move to the heavyweights. Until then, he managed to maintain his Dutch title every year.