Forcing one round Edit
Forcing one round is the simplest form of forcing. It just forces the partner to bid without any further obligation. It is abbreviated as F1.
- Any 1-level suit response to partner's 1st/2nd seat opening in a natural system.
- Forcing 1NT in 2/1 game forcing.
Forcing and promises a rebid Edit
Forcing and promises a rebid means forcing for one and a half round. It forces both the partner and the bidder to bid again.
- Any non-jump 2-level new suit response to partner's opening in SAYC.
Forcing to a specified level Edit
Once such a call is made, the auction may not end until the specified level. The most common form is forcing to game, or game forcing (abbreviated as GF). A game forcing bid forces the auction to the game level, or to double the opponents, unless the agreed suit is a minor, in which case the auction can end at 4 of the minor.