Buuxi weedha soo socota: Christian Langeweg ama Kick Langeweg (wuxuu dhashay 7 Maarso 1937), waa ciyaaryahan reer Holland ah oo ah Master International (IM) (1962), shan jeer oo billad Dutch Chess Championship ah (1969, 1970, 1972, 1980, 1983) iyo Chess Olympiad saddex jeer oo billad shaqsiyeed ah (1966,
1970 iyo 1980).