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I can't even begin to explain this one.

#1 User is offline   smerriman 

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Posted 2019-January-20, 17:37


A better handviewer
Reverse engineering GIB, part 1: A treatise on the insanity of bidding simulations
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#2 User is offline   nige1 

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Posted 2019-January-20, 19:16


Possible explanation:

1. North trusted South's double, showing the pointy suits :(
2. Aware that his double was imaginative and relieved that opponents hadn't yet doubled, South passed instead of showing preference :)

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#3 User is offline   johnu 

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Posted 2019-January-20, 21:38

I usually see bids like GIB North's jump to 4♠ when 2 GIBs are playing together. Both sides are bidding at the part score level, one side bids one more which convinces the GIB opponents that they should make a jump to game. Sometimes it even works.
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#4 User is offline   smerriman 

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Posted 2019-January-20, 21:42

Yeah, have seen that a number of times, but not when a pass by partner convinces them to go from a 3♦ signoff to a 4♠ game!
A better handviewer
Reverse engineering GIB, part 1: A treatise on the insanity of bidding simulations
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