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Robot System TO Double with Strong One Suiter

#1 User is offline   poppagene 

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Posted 2024-March-24, 10:31

Why is it that the bots are willing to make a one suited takeout double with a suitably strong hand, but can never accept that the human partner could have just a one suiter in this situation. I've had robots continue to "take preference" over the strong one suit and not willing to stop until the 7 level.
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#2 User is online   smerriman 

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Posted 2024-March-24, 16:21

The standard advice is with the robots, simply never make an offshape takeout double.

If you want the technical reason of why, it's down to how it's coded - their entire system is based around combining definitions of all of the rules to date, taking the maximum/minimums all of ranges shown so far; the way of describing hands has no way of having two disjoint definitions.

The way it tries to work around this is by having a few specific sequences say "erase all definitions of my hand up to now". It applies this to some simple sequences - like x (P) suit (P) newsuit - so when those sequences come up, it works OK. But as soon as something else happens - like the opponents make another bid - these sequences don't get triggered, and you're permanently stuck with the standard takeout double definition.
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#3 User is offline   johnu 

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Posted 2024-March-24, 19:12

The inability of GIB to understand how to respond to strong one suited takeout doubles even though it can bid one has existed since the very first use of robots about 20 years ago. There have been dozens, if not a hundred plus, of complaints about this over the years.

My guess is that BBO needs to see at least 1000 individual complaints before it decides to devote programmer resources to fix the problem. So keep those complaints coming in. AFAIK, the last official notice of GIB updates was almost 3 years ago. Apparently BBO doesn't make enough money from all the robot tournaments it holds 24/7 to have the programmers make improvements.
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