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bridge bidding questions how to calculate who is right

#21 User is offline   barmar 

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Posted 2012-July-09, 08:43

One of the flaws with SAYC is that after opener's 1NT rebid, responder has no invitational sequence with 5 4 -- according to the ACBL booklet, 2 is non-forcing, 3 is game forcing. I wonder if this is what the book he said he's using as his basis "Standard Bidding with SAYC", teaches.

#22 User is offline   RossSCann 

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Posted 2012-July-12, 17:01

View Postlalldonn, on 2012-July-08, 16:32, said:

Ross sent me the hands but the formatting was bad so it was hard to look. I looked at the first 10 and on half of them one opponent or the other had a clear overcall. It was too hard for me to analyze play the way the formatting was or to look for a pattern that would make me think the hands were configured wrong.


Yes, I have a definite problem with my bidding which I will fix and then rerun the analysis. Also I need to do a lot of coding to present the results in a nice format that lends itself to review as to the correctness of the bidding and play. I haven't found a published source so far on the criteria for N to choose pass or correct to 2 . Therefore I will just use the simulation to see what is best, before retesting against S passing 1 NT.
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#23 User is offline   RossSCann 

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Posted 2012-July-13, 08:16

Yes, there is a problem in my bidding logic with this sequence that I have to fix. Also I have to do a lot of coding to present results in a clear format that allows for easy review of the validity of the program's bidding and play result for each of the generated random deals. I don't have a published source for the criteria N uses to pass @ H or correct to 2 S's, so I will experiment with that.
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#24 User is offline   RossSCann 

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Posted 2012-July-13, 08:19

View Postbarmar, on 2012-July-09, 08:43, said:

One of the flaws with SAYC is that after opener's 1NT rebid, responder has no invitational sequence with 5 4 -- according to the ACBL booklet, 2 is non-forcing, 3 is game forcing. I wonder if this is what the book he said he's using as his basis "Standard Bidding with SAYC", teaches.

Yes, that is what the book teaches.
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#25 User is offline   TimG 

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Posted 2012-July-13, 09:16

View PostRossSCann, on 2012-July-06, 18:16, said:


Distribution of High Card Points For North - Number of Hands
11 12 13 14 15 16 17
0 118 484 258 121 20 0

Distribution of North Hands

Number of
Cases Spades Hearts Diamonds Clubs
10 4 3 4 2
6 4 4 3 2
5 4 2 4 3
4 4 2 5 2
2 1 2 5 5


If opener turns up with 15 or 16; or with 4 spades; or with 55 in the minors, and has rebid 1N, there is something wrong.
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#26 User is offline   RossSCann 

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Posted 2012-July-14, 18:18

View PostTimG, on 2012-July-13, 09:16, said:

If opener turns up with 15 or 16; or with 4 spades; or with 55 in the minors, and has rebid 1N, there is something wrong.

Yes, I agree. There were definite problems with my logic in this sequence which I am fixing.
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