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All comments by Nicolas Hammond
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I don't mention Multon in my book. For reference he is exactly average for world class players on opening leads not giving up a trick (just under 81%).

Zimmermann is simply better on opening leads than most top players. Just like some other sponsors.

Using the latest data I have, top 66 pairs (132 players) based on data, ranked by not giving up a trick on opening lead, Lotan Fisher is #1, Bobby Wolff #2, Zimmermann #11, Rodwell #48, Multon #64 (exactly average by mean, not mode), Zia (Rosenberg) #74, Bobby #77, Meckstroth #83, Steve #93, Rosenberg (Zia) #110, Ron Schwartz #128, Rosenberg (Willenken) #131. The last three in rankings are all American pros (not sponsors). Americans, in general, are not very good on opening leads compared to Europeans.

It is dangerous to use this statistic and assume a pair or player is cheating. See Ron Schwartz ranking.
March 16
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Then program the simulator to make a bad lead every 1 in 4 boards.
March 16
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This is double dummy simulation. In real life - single dummy - top pairs give up a trick on lead more than 1 in 4 hands which will skew your number above.

In real life, declarers make a higher percentage of NT contracts than suit contracts.
March 16
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Appreciate the openness. Good luck with everything coming up…
March 15
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The ACBL has already lost one member. So based on your comment the rest of us are all safe.
March 15
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World Health Organization:

See https://www.who.int/emergencies/diseases/novel-coronavirus-2019/technical-guidance/naming-the-coronavirus-disease-(covid-2019)-and-the-virus-that-causes-it

As Eric says. Disease name=Covid-19. Virus name=“severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)”
March 15
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The club web site is at https://www.bridgewebs.com/cgi-bin/bwon/bw.cgi?club=coloradosprings

For those interested in morbid puzzles, there is enough information in the press release to identify the person.

Sad. Condolences to her family and partners and all those affected.
March 15
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Detecting cheating on leads is not as simple as ‘finding partner’s honour'.

If I take the top 66 pairs based on amount of data from top tournaments, use a simple calculation of finding partner with an A, K or Q, then MZ are around 57%. Ranked 34th out of 66. Just below Bobby/Steve and just above Hamman/Zia.

On this test, the German doktors are #1, Fisher/Schwartz #2, and unnamed European pair #3, and unnamed American pair #4, and Piekarek/Smirnov #5.

Hitting partner's honour is a style issue.

Fred Stewart/Kit Woolsey are ranked #28. Kit said he believed they made passive leads and would be high on this chart. I mention this pair because Kit has raised this issue before.

I am using the latest data set I have; the data set is continuously updated so is more recent than the book.

If you use ‘finding partner’s honour' as your criteria, they are clearly not cheating on opening lead. Or…. if they are, then a lot of very famous pairs are also cheating…

My suggestion is that you track your own leads for a few sessions, then see what percentage you are at. Top pairs average around 57%, just like MZ.
March 15
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Pages 116-117 for those that have a copy. These pages are a statistical list of how good top players are on opening leads.. Does not necessarily indicate cheating, hence names are listed - just a statistical list! Contact Bridge World or https://www.cheatinginbridge.com if you want to buy the book.
March 14
Nicolas Hammond edited this comment March 14
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@Gavin. The known videos from Bali are at http://www.bridgescoreplus.com/data/bermuda_bowl_2013/index.html
If anyone is aware of more videos, please let me know.

The only semi-final video is you/Kranyak against Fantoni/Nunes.
See https://www.youtube.com/watch?v=mysc9QXLnfE

Fantoni/Nunes opening leads were crowd-sourced (the data is not on the web site).

Their leads during the play have not been crowd-sourced.
March 14
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If anyone has some public information on Jim that they can share and update his Wikipedia page, please do so. Anyone can edit Wikipedia. Preferably sourced material.
March 13
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Says Chris, softly.
March 12
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I sent Sam a monthly masterpoint total for his club for Jan and Feb.
March 5
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Before you panic or hypothesise, look at ACBL financial statements and see how much reserve they have:

https://www.acbl.org/about-acbl/administration/financial-information/
March 5
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Warning. This is a parody video and contains bad language.

https://www.youtube.com/watch?v=IYXjk8BI4xM
March 1
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Not in England.

https://www.youtube.com/watch?v=nR0lOtdvqyg

Dad's Army ran from 1968-1977 on BBC. The Hitchhiker's Guide to the Galaxy started in 1978 on BBC radio. Almost certainly, Douglas Adams would be aware of Corporal Jones (Clive Dunn) catchphrase.
March 1
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I have a friend that works for one of the mask manufacturers. She sells to the wholesalers. She got an order for two million. But all orders are now prioritized so the order joins the queue with everyone else. Home Depot and The Dollar Store to the rescue!
March 1
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