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Followups after weak 2 and change of suit

#1 User is offline   antonylee 

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Posted 2019-November-11, 17:19

Looking for input on some auctions that came up recently, and some variants thereof... (opponents silent throughout)

2 (weak) - 3: how do you play this? (I think BWS suggests ART, asking for control in the suit with step responses)
2 - 2; ...: I assume that 4m is a splinter raise, 4 good hearts and a fit. What's the difference between 3 (which I assume is forcing?) and 4 by opener?
2 - 2; 3any - ... what's the difference between 3 and 4 by responder?
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#2 User is offline   nige1 

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Posted 2019-November-11, 17:59

View Postantonylee, on 2019-November-11, 17:19, said:

Looking for input on some auctions that came up recently, and some variants thereof... (opponents silent throughout)
2 (weak) - 3: how do you play this? (I think BWS suggests ART, asking for control in the suit with step responses)
2 - 2; ...: I assume that 4m is a splinter raise, 4 good hearts and a fit. What's the difference between 3 (which I assume is forcing?) and 4 by opener?
2 - 2; 3any - ... what's the difference between 3 and 4 by responder?

Perhaps, we should step back... Presumably, 2 is natural and constructive. But is it forcing? Some say not but I prefer F1. Assuming the latter, you might agree ....
After 2 - 2 - ?? Opener's rebids...
  • 2N = MAX 0-1 s.
  • 3 = MIN 0-1 3+ s.
  • 3 = MIN 0-1 3+ s.
  • 3 = MIN 2 s.
  • 3 = MIN (N/F) 3 s.
  • 3N = MAX 2 s.
  • 4m = SPL 3 s.
  • 4 = MAX 3622.

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#3 User is offline   igt3 

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Posted 2019-November-12, 03:55

How are your weak 2-openings? Suit quality? Non vulnerable/vulnerable? Position? Can you expect opener to have a control outside his/hers suit?

I play it rather simple.

New suit is round forcing, normaly with no fit in openers´ suit. (why suggest another suit non forcing?)
Opener can support responer with a simple raise with minimum or jump with maximum. Or jump in a new suit as a splinter raise.
If opener has maximum and no fit for responder he/she bids NT or a side suit. With minimum opener repeats his/her suit.
Since opener is maximum we are in a game forcing situation. (So 3 from responder would be stronger than 4 if you play slow arrival)

2NT=forcing with fit (could be 2 cards). Then we respond as after Jacoby2NT.

Worked well so far.
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#4 User is offline   antonylee 

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Posted 2019-November-17, 14:05

This is in a new-suit forcing setting. nige1's scheme looks useful and simple enough.
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