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2-over-1 Game Forcing (2/1 GF) System (23Jun2024) The 2/1 GF system is the same as Standard American except for a few differences: (1)((11))(1) After partner opens 1 of a major, your non-jump bid in a new suit at the 2 level shows an opening hand (12+ points, not 10+ points) and is forcing to game. • Only if partner opens a major. (Best to ...
Two Over One (2/1) Game Forcing is a natural, 5-card major bidding system. When the auction begins 1 / / , a simple 2-level response in a new suit is forcing to game. This page provides articles, convention writeups, and resources to help learn the system.
2 over 1 Game Forcing (2/1 GF) System The 2/1 GF system is the same as Standard American except for a few differences: 1) A non-jump bid of 2 in a new suit after partner opens 1 of a major shows an opening hand and is forcing to game. • Only if partner opens 1 of a major. (Best to have 1D-2C show 10+, like Std Amer.)
A response in any other suit is natural and forcing to game. In majors a response shows at least five cards headed by two of the top three honors and some side value. In minor suits a response shows at least six cards headed by two of the top three honors and some side value.
2/1 game forcing is the culmination, at least so far, of seventy years of bidding theory, and has been the most popularly used system amongst the rank and file of duplicate bridge players for about 15 to 20 years.
The basic idea is that opposite to a any 1 level opening a 2 level response (a 2/1) is game forcing. Professional bridge teachers say it is much easier to teach and learn than standard 5 card majors. Primarily this is because it removes the judgement element involved in making a traditional 2/1.
This is the first of two articles introducing the basic principles of the 2 Over 1 Game Force bidding system. In this article, I will discuss auctions when responder wishes to force to game. In the second article, I will discuss auctions when responder has less than game forcing values.