This blog provides supplementary thoughts and ideas to the site. If you haven't seen the main site, there is a lot there including the Martel and Rodwell interviews, photos, and articles. This blog is focused on advancing bridge theory by discussing the application of new ideas. All original content is copyright 2009 Glen Ashton.

Tuesday, May 30, 2006

One convention growing in popularity is 1m-jump to two level response to show 5+Ss and 4+Hs. For example, after 1D, 2H shows 5+Ss, 4+Hs and not close to an invite, and 2S shows 5+Ss, 4+Hs and an invite or close to it. The convention works fine when it comes up, and has some nice secondary effects as well.

For example 1D-1S--2H does not need to be played as promising 4Hs, just reverse values and no other good bid, or 3S and 6+Ds and extras. This allows opener to comfortably rebid 3D over 1S with a hand with too much for a mere 2D bid, but not enough to reverse. It also allows 2H to be rebid when looking for a 5-3 S fit when holding the values for a 3D rebid but with 3Ss.

Over 1D-1S--2H, responder rebids:

2S: Any hand with 5+Ss and fewer than 4Hs.

2NT: Weak hand, not enough for game opposite a minimum reverse. The only forcing calls now are 3H asking for a C stopper, and 4 of a minor.

3C/D: Natural, forcing to 3NT or 4D.

3H: Original game force with 5+S and 4Hs.

3S: Original game force with 5+S and 5+Hs.

3NT: About an original game invite with 4S, stoppers in Cs and Hc.

4C: Great fit for Ds, singleton/void in Cs, slam invite.

4D: Great fit for Ds, slam invite.


It is possible to use 1D-1H--2S likewise, playing that 1D-1H--1S is forcing with 4S, and the 2S showing a reverse with no other good bid, or with 3Hs and 6+Ds and extras. Here 3C by responder over 2S should show any hand with 5+Hs, to help find 5-3 H fits, and 2NT over 2S is the weakness bid.


If you pull 18-19 balanced out of the 1D opening (you should using either 1C, 2C or 2D to handle this range depending on system), then one can play:

1D-1S--2NT: Reverse with no other good bid, fewer than 3S.
1D-1S--2H: Raise with 3S, may have extras or reverse strength.
1D-1H--2NT: Reverse with no other good bid, fewer than 3H.
1D-1H--2S: Raise with 3H, has extras and perhaps reverse strength.

Over 2NT, responder bids 3C if weak, not enough for game opposite a reverse.


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