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Bridge Winners Profile for Jeff Goldsmith

Jeff Goldsmith
Jeff Goldsmith
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Basic Information

Member Since
April 22, 2015
Last Seen
8 hours ago
Member Type
Bridge Player
about me

The most information about me is at my website, http://www.jeff-goldsmith.org/  (The ".org" is misleading.  I'm not very organized.)  The bridge stuff is pretty extensive; it's been going on for 20 years or so.

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In real life, I'm a software engineer.  I used to be a computer animator.  I did a lot of stuff which sometimes plays on Nova, including Voyager's encounter with Neptune.  A curious happenstance: I was sitting at a table at a nationals and realized that three of the four players were trained as differential geometers.  Not a common occupation.  Nowadays, I work at making the internet faster.

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In bridge, I'm a team lead on the National Appeals Committee and a casebook commenter.  I've done more than thirty of them.  I'm a minor member of the Conventions and Competition Committee (C&CC), minor because my appointment came at a point in life where I am unable to attend many nationals.  I made this clear before accepting the nomination.  With some luck, that will change; I hope to get to two of them a year for the next few years.  As a working stiff, I tend to play on weekends.  Most of my vacations are national bridge tournaments.  Some of my previous partners have been some of bridge's more colorful figures.

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I'm also into strategy board and card games.  I can often be seen at nationals after the game playing/teaching/toting them.

Country
United States of America

Bridge Information

BBO Username
JeffG
ACBL Ranking
Platinum Life Master
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A Mentoring Program with a Twist
I used to do something similar, but I used a sort of Rainbow movement; each table always had one pro and three students. The students played three boards at each table, so that each played one board with the pro. As a result, one pro always came in first North ...
Rating Study from ACBL Tournaments
That effect (survivor bias) should show up in different guises, but I don't see why it should do so here. Hmmm...to test this theory, rerun the data by eliminating boards played against non-qualifying opponents and see if this persists. The knobs on ELO rating systems are very complicated ...
Theoretical Laws questions about playing out the hand after a claim
Right, which of course it does. It would have been better that the laws commission had added "...to cards exposed during the claim," or the like, but that's pretty tricky to get right, as the claim has been voided, so the sentence would then be meaningless in some sense ...
Theoretical Laws questions about playing out the hand after a claim
I wrote, "don't bother to ask," because I won't say, it's too long to be interesting anyway, and if you heard it, it wouldn't change whether or not you believe me, so don't bother to waste your time. "Say" can include both express and implied ...
Rating Study from ACBL Tournaments
I'm curious. Is it intentional that the mean of the (actual score - predicted score) should be +1%? (See Page 5.)
Theoretical Laws questions about playing out the hand after a claim
Actually, they do say that penalty cards stay. "The claim ... is void" means that it didn't happen. When nothing happens, penalty cards stay on the table. You are right in that players who have exposed their cards (necessarily the claimer, but perhaps not the opponents) may choose to play ...
Theoretical Laws questions about playing out the hand after a claim
You don't expose all the cards and play. Someone claims, everyone looks, someone says, "why don't we play it out," everyone agrees, everyone picks up his newly exposed cards (penalty cards stay), and you play the hand as if no claim had happened. The idea is to avoid ...
Theoretical Laws questions about playing out the hand after a claim
a) That one is easy. It makes no sense to allow players to play on once they've seen all four hands if they have to deal with UI from having seen the hands. The agreement to play on must make all information arising from the claim authorized, or the ...
Opening 1N with a singleton Ace
Opening 1NT with any singleton is not a desirable thing. Partner will get decisions wrong too often. Sometimes, however, you can expect that you are just going to be stuck if partner bids the most likely things, and the negatives are outweighed by your problems. Then you just have to ...
Your thoughts on whether Alerts or Explanations are required or should be required or voluntarily should be done
5 and 6 are alerts (not announcements). The others require nothing.
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