Rubuta ci gaba don wannan sakin layi - Franciscus Antonius Kuijpers (an haife shi a ranar 27 ga Fabrairu 1941), dan wasan chess ne na Dutch (IM) (1964), wanda ya lashe gasar zakarun Dutch (1963) da kuma gasar Olympics ta Chess sau uku da kuma lambar yabo ta mutum (1974
, 1976).