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3NT shows too much support

#1 User is offline   AyunuS 

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Posted 2018-September-01, 11:19

http://tinyurl.com/y7gdlbhm

Advanced robots, IMPs.

My problem here is that 3NT apparently showed 4-5♠. I think its bid would be fine in the system it should be following, in that 3NT should be to play and something else should be bid with spades, but the description of 4-5♠ was so misleading that of course 4♠ seemed like the thing to bid here. I'd suggest changing the description of 3NT, not what bid it makes here. 3NT really is the best bid, not 4♠, but I didn't know what it really had.
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#2 User is online   smerriman 

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Posted 2018-September-01, 14:39

GIB being broken with off-shape takeout doubles is probably the oldest bug on the list. (4 spades comes from the takeout double; the descriptions can then never recover).
A better handviewer
Reverse engineering GIB, part 1: A treatise on the insanity of bidding simulations
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#3 User is offline   wbartley 

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Posted 2018-September-02, 16:33

You found your way to the right spot anyway. 4♠ is a rock and 3NT hasn't got a prayer.
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