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There seems to be a lot of 8 card suits lately Unusual hand frequencies

Poll: Hand patterns (4 member(s) have cast votes)

Have you seen 8 card or longer suits more frequently?

  1. No (3 votes [75.00%] - View)

    Percentage of vote: 75.00%

  2. Maybe (0 votes [0.00%])

    Percentage of vote: 0.00%

  3. It seems so. (1 votes [25.00%] - View)

    Percentage of vote: 25.00%

  4. Definetly (0 votes [0.00%])

    Percentage of vote: 0.00%

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#1 User is offline   jade 

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Posted 2020-May-27, 12:14

While I do not profess to be a mathematician or statistician, I have been playing a very long time. The frequencies of particular shapes seem to be happening more frequently than I personally would expect.

Let me be clear here, this is entirely anecdotal and I am hoping that somebody with the knowledge and skill to evaluate the hand patterns could verify that everything is normal.
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#2 User is offline   hrothgar 

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Posted 2020-May-27, 14:03

I have the knowledge and skill to analyze this.

I am not about to do so because this has been beaten to death many many many times in the past.

If / when BBO

A. Announces that they have made some changes to their hand generation code
B Chooses to change the PRNG that they are using

then it might be an interesting project to consider
Alderaan delenda est
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#3 User is offline   johnu 

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Posted 2020-May-27, 14:11

Absolutely. In fact, whenever I marvel at how often there are 8+ card suits on BBO, it turns out that almost 100% of the time there was an 8+ card suit on the current or previous hand. What are the odds of that??? You can't get more frequent than that B-)
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#4 User is offline   pilowsky 

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Posted 2020-May-27, 19:33

8.7%
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#5 User is offline   jade 

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Posted 2020-May-27, 21:47

View Posthrothgar, on 2020-May-27, 14:03, said:

I have the knowledge and skill to analyze this.

I am not about to do so because this has been beaten to death many many many times in the past.

If / when BBO

A. Announces that they have made some changes to their hand generation code
B Chooses to change the PRNG that they are using

then it might be an interesting project to consider


The frequency seems to be increasing. In one 16 board set I played from 8:45 to 10:30 PM central time, I personally held both 8 and 9 spade hands. It has been a bizarre run lately, especially over the last 3 months. Granted I play a very large number of boards, but in my 52 years of competition, nothing like this. Granted this happens more often in the casual room. Thanks for commenting.
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#6 User is offline   jade 

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Posted 2020-May-27, 21:48

View Postpilowsky, on 2020-May-27, 19:33, said:

8.7%


And I had both 8 and 9 card !s suits again tonight. Bizarre.
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#7 User is offline   jade 

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Posted 2020-May-27, 21:50

View Postjohnu, on 2020-May-27, 14:11, said:

Absolutely. In fact, whenever I marvel at how often there are 8+ card suits on BBO, it turns out that almost 100% of the time there was an 8+ card suit on the current or previous hand. What are the odds of that??? You can't get more frequent than that B-)


To be fair, I cannot remember if it was an 8 immediately after 9 tonight, but they were awfully close together.

Thanks for replying.
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#8 User is online   smerriman 

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Posted 2020-May-27, 21:55

I've done numerous analyses of the distributions on BBO and always get exactly the same results; they're completely normal.
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#9 User is offline   barmar 

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Posted 2020-June-01, 08:35

This is the Offline bridge forum. Where have you been playing offline that you see lots of 8-card suits?

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