Complex sentence: The 2016 World Draughts Championship match at the international draughts will be on December 3--18, in The Netherlands under auspice International Draughts Federation FMJD between Jan Groenendijk and Roel Boomstra, who was second and third at last Draughts Championship.
Split into simpler sentences: The 2016 World Draughts Championship match at the international draughts will be heln December 3--18, in the Netherlands under auspice International Draughts Federation FMJD. The match is scheduled to take place between Jan Groenendijk and Roel Boomstra, who were second and third at last Draughts Championship.