"Just like in checkers, jumping opponent's pieces is mandatory. It means that if a player's piece stands next to an opponent's piece and can jump it, it is forced to do it and it must continue jumping as long as it can."
It is near the bottom of the page, under "Other important rules"
(sakla) If you don't want other users to know what you are doing you can change into cloak mode in Settings (paying members only). (pauloaguia) (Bütün ipuçlarını göster)