Rubber bridge they must play a card of the suit led if they have one. A player who has no cards of the suit led may play any card either discarding or trumping. A trick is won by the highest card of the suit led unless trumps are played, when the highest trump wins. The winner of the trick leads to the next trick. The main article includes a detailed description of rubber bridge scoring with examples. Essentially, each winning bid's value is scored "below the line" (e.g., 3 Spades nets 90 points below the line) and overtricks, bonuses, etc. are scored
Singaporean bridge and this is not a universal rule - is in no-trump games, the winner of the bid will begin the game. The other less-agreed-upon rule is the drawing of trumps. Some people play by the rule that the drawing of trumps can only begin when the player drawing trumps already has a void suit or when trump has been broken (i.e. a trump card has already been played), some play by the rule that drawing can be done at any point in the game, while most play by the rule that trumps can only be drawn when the trump suit