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2C relay (GF) Improvements

#1 User is offline   Flameous 

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  • Interests:How to find out shape below 2NT.

Posted 2010-November-21, 17:13

Adding more relays to seminatural base of openings, I came up with this structure. (Basically it's just dejeuner relays adjusted)
The thing going on with clubs is that 1D can have longer clubs. Majors don't (Unless 56)
I don't have the suits in specific order as you can see because the main suit isn't know, however I tried to put two shorter suits in right order.

2C (Bal or clubs, GF) ->
2D = 4+C
2H->2S = H
2NT->3C= three suited
3D->3H=1444
3S=0445
3NT=0454

3D= LL
3H->3S=5512
3NT=5503
4C=6511
4D=6502

3H=1354
3S=1264
3NT=0364

2NT = Low, LL/longer clubs
3C->3D = LL (5521)
3H = H (5530)
3S->3NT=1345
4C=1246
4D=0346

3S = 3145 (5611)
3NT= 2146 (5602)
4C = 3046 (5620)
3C = low, three suited
3D-> 3H = 4144
3S = 4045
3NT = 4054

3D = no
3H = 3154
3S = 2164
3NT = 3064

2H = 4+D
2S->2NT = H
3C = LL, low
3D = No or threesuited
3H = 5431
3S = 6421
3NT = 6430
4C = 7411
4D = 7420

2S = 4+H, high shortness or no shortness
2NT -> 3C = LL
3D-> 3H = 5512
3S = 5503
3NT = 6511
4C = 6502

3D = 5422
3H = 5431
3S = 6421
3NT = 6430
4C = 7420
4D = 7411

2NT = 4+H, low shortness
3C -> 3D = LL
3H = 5431
3S = 6421
3NT = 6430
4C = 7420

3C = H/no
3D->3H = 6331
3S = 7321
3NT = no
4C = 7330

3D = M
3H->3S = 6331
3NT = 7321
4C = 7330

3H = 6331
3S = 7(32)1
3NT = 7330
+++:
All but few wild shapes resolve at 3NT or below. (Except room problem with high shortness club canape :( )
It is (relatively) very easy to remember
Fits for all three openings pretty nicely (Main exception is 3C as three-suited which is just one shape after majors)

---:
All single-suiters without shortness are lumped in the same. Especially 7th card can make quite a difference. Same goes for 71(32)
There's no min/max -> relay must be practically GF. (Over 1D inv+ with Ds is fine) Of course with min/max you can show only half the shapes in the same room. So it works well only for limited openings, the narrower the range, the better.

I just want some input, what obvious I have missed B) Experiences of using something along these lines and some with min/max if you have used both would be nice. How narrow opening ranges should be? What after shape is resolved, will ZZ-ask and DCB work as in our 1C relays?
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