king or jack and three more other cards, then they should hold the face cards. the same goes for the situations when they have a queen, a jack and an ace as it is recommended to keep the face cards. if players have flush or four cards to royal flush, then it is best to go for the royal flush. however, in cases when their hand has flush, then they should hold the cards that for this combination.
if players have two low valued cards plus three other cards to straight flush, then they should hold the three cards and discard the rest of the cards. if they have a hand 