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expert bridge inaugural post moysian fits

#1 User is offline   babalu1997 

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Posted 2009-February-15, 19:31

I tried to post there, but the moderator moved it :)

why is it that the majors mostly break 3-3 in moysian fit hands? :D

View PostFree, on 2011-May-10, 03:57, said:

Babalu just wanted a shoulder to cry on, is that too much to ask for?
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#2 User is offline   Lobowolf 

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Posted 2009-February-15, 20:22

It's a self-selecting sample illusion...you're more likely to hear about the ones that work, and the ones where the trump are 3-3 are more likely to work.

Sounded good, anyway.
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#3 User is offline   kenberg 

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Posted 2009-February-15, 21:38

I don't know that it is true that they do but perhaps you would accept a slight restating?

Namely:
When playing a Moysian, the opposing cards break3-3 more often than probability says they should.


Here would be a possible explanation: You reach 2H in a Moysian. If they do not split 3-3, the guy with short hearts is a little more likely to have five spades to compete with, and if he doesn't he may make a TO double. His partner, over the TO double, holding four hearts and not knowing of the Moysian, figures it's not good enough for a pass and bids something. Thus, the non-playable Moysian is a little less often played. No one notices the Moysians that are not played.

If the claim is true, and if this explanation is correct, (two very big ifs) I would expect the deviation from the probability tables to be more pronounced with hearts than with spades.

My guess would be that the statement simply isn't true.
Ken
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