What is Fourth Suit Forcing?
Fourth suit forcing is a bridge convention. It is used to help you find the right contract, including finding 5-3 major suit fits and finding a stopper for No Trumps. It is used when you are responder and have 11+ points and:
- Three suits have already been bid (hence the name)
- You don’t already have a major suit fit (8+ cards in a suit) with your partner
- You want to find out more information about partner’s hand
If your opening partner changes suit again after your change of suit you might not have enough information to decide on the contract. … Read the rest