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All comments by Nicolas Hammond
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The DBV and WBF made procedural mistakes during the W-E case(s) which effectively negated the case(s).
Dec. 1
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Make sure you congratulate the DIC of the event. They are the ones that will have made this decision.
Dec. 1
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It's statistics. Nothing can be 100%; similar to Fantoni/Nunes.

However, as more boards are added, the statistical probability of this being a false/positive can be calculated.
Oct. 14
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Yes. There is. I wrote a book on it.

Shameless plug. http://www.detectingcheatinginbridge.com

Finding the best algorithms to detect cheating was difficult/time-consuming. But the software correctly identifies the known recent cheaters (FN, BZ, FS, Doktors, PS) as well as identifying pairs such as Buratti/Lanzarotti as a cheating pair. It also identifies some other pairs that I suspect will be found guilty soon…

The differences between top players is very small making the work difficult, however the different between cheating players and top pairs in certain parts of the game is measurable and quantifiable. Given sufficient boards and the right software, cheating pairs can be identified.

See http://www.detectingcheatinginbridge.com/selections.html and look at the snippets from Chapters 13, 28, 29. The data is best presented in charts/graphs not tables.

But… it is very important to understand the data behind the data.

There are pairs that have exceptional tournaments. This is statistically expected. What is not statistically expected is that you can identify a pair that will have a statistically exceptional tournament before the tournament happens. I did identify a pair to WBF before Wuhan. This pair did have an exceptional tournament. I should not be able to do that unless this pair was cheating. We will see what happens next…

And…. at some point I need to start listing some of the ACBL based players who have statistical “anomalies”.
Oct. 14
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She also had 11 second place finishes. See https://en.wikipedia.org/wiki/Beth_Palmer

(TL/DR. Beth's Wikipedia page was created in 2014. At the time she had 26 NABC wins. No-one had updated the page for her wins since 2014. Anyone can edit Wikipedia. There are many other players/events that are in need of updates).
Oct. 3
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Beth had 29 NABC wins, not 26. I updated Wikipedia.
Oct. 3
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@Daniel. “Did the ACBL do a cost/benefit analysis before funding the movie?”

ACBL did not fund the movie.
Oct. 3
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@Barry: “they're questioning the ACBL and the Educational Foundation in funding a movie that wouldn't necessarily promote bridge”

ACBL did not fund the movie. ACBL and the ACBL Educational Foundation are completely separate entities.
Oct. 3
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There's more explanation on page 16 of https://cdn.acbl.org/nabc/2019/02/bulletins/db2.pdf
Oct. 1
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Why are Mitch Dunitz and Barbara Heller listed as Executive Producers?

See https://www.youtube.com/watch?v=hs_10C9p-FQ

Was this a requirement from the ACBL Education Foundation?
Oct. 1
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I published some statistics at http://www.detectingcheatinginbridge.com/statistics.html. Once the contract was set, Cecelia played fewer “wrong” cards as declarer than any of her competitors (with a minimum number of boards required).
Oct. 1
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I did a Google search for ACBL and “Kids Table”. It found some entries at acbl.org.

If you go to http://bridgefeed.acbl.org there is a search option. Type in “Kids Table”. The URL ends up as https://bridgefeed.acbl.org/?s=Kids+Table

It listed four separate stories: “Movie is a hit”, “Film to premier”, “Screen team”, “Jackets required” going back 18 months. I had said that it would not be a surprise that you could not find anything on the ACBL web site because this is an Education Foundation project, not an ACBL project. However there are at least four different stories on an ACBL web site.

The ACBL By-Laws state that one of its purposes is, “To develop, promote and support programs that encourage participation n the game of bridge” I believe that listing this movie on four separate occasions over 18 months certainly does that.
Sept. 30
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The ACBL and the ACBL Education Foundation are two different entities. No surprise that you would not find anything on the ACBL web site.
Sept. 29
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@Tom: One might think so, but such actions may be too obvious and also detected. I don't disclose the methods I use to detect cheating so that players don't try and work around them.

I've updated the data at http://www.detectingcheatinginbridge.com/statistics.html to include all data after the finals. For some reason BBO does not yet have segment 6 of the finals so that is not included.

I have also included the declarer ratings for the top players.

Again this is the double dummy values. Not necessarily the best measurement of declarer skill but one that it easily understood. As you can see, ignoring the opening lead, defenders make fewer mistakes than declarers. Single dummy declaring is very different than double dummy declaring.

For those that have read my book, I added the MF values for the events as well. If you haven't read the book, see http://www.detectingcheatinginbridge.com/selections.html and look at the selection from Chapter 13 for a comparison of MF values from top tournaments and what happens when cheating players are removed from the data.

Put simply, a high MF value is better bridge, low MF values indicate cheating. The book shows how ACBL masterpoint ranges correlate to MF values. The more MPs you have, the higher your MF values when playing against peers. 11,000,000 records from ACBL to validate the concept/data.

There was a huge jump in MF values for top tournaments after the summer of 2015. I have no idea why….

Care to guess how this WBF 2019 compares to WBF 2015? Answers are on the site.
Sept. 28
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Fair to say they are all Multi-talented. Bridge players, film makers, actors. In Stefanie's case, seriously Multi-talented: https://www.tvovermind.com/stefanie-woodburn/

(I did search for the other players but nothing much came up on them).
Sept. 28
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Looks like Stefanie has been doing other things for the past year: https://twitter.com/StefWoodburn and https://www.youtube.com/watch?v=I–NHnBDjPU
Not many people will have those two activities on their resume…
Sept. 28
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There are two ladies. Stefanie Woodburn and Monique Thomas.

See https://bridgefeed.acbl.org/movie-is-a-hit/ for a picture.
Sept. 28
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It's a little confusing with terminology. The ACBL Education Foundation pages and ACBL say they “support” the movie. The WBF at http://youth.worldbridge.org/the-kids-table-world-premier/ states that the ACBL Education Foundation financed it.

“The group’s teachers, Brian Reynolds and Samantha MacDouglas, try to keep an emphasis on making sure their students are having fun, but they recognize it doesn’t always work. “Bridge isn’t for everyone,” MacDouglas says. But in order for it to be for anyone, they have to be aware it exists. The movie aims to create an awareness of bridge in an audience the ACBL badly wants to reach. That’s why it was financed by the ACBL Educational Foundation.”

Edit: corrected first line from ACBL to ACBL Education Foundation.
Sept. 27
Nicolas Hammond edited this comment Sept. 28
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See https://bridgefeed.acbl.org/screen-team/

“the ACBL Educational Foundation is supporting the project”
Sept. 27
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