Bridge systems

Acol is the bridge bidding system that, according to The Official Encyclopedia of Bridge, is "standard in British tournament play and widely used in other parts of the world". It is a natural system using four-card majors and, most commonly, a weak no trump.

bidding system for the bridge card game

in contract bridge, a set of agreements assigned to (sequences of) calls so that a partnership can ascertain which contract, whether made or defeated and whether bid by them or by their opponents, would give them the best scoring result

bidding system in the game of contract bridge

bidding system in modern contract bridge