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Bridge Winners Profile for Michael Clark

Michael Clark
Michael Clark
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Basic Information

Member Since
Sept. 1, 2015
Last Seen
38 minutes ago
Member Type
Bridge Player
about me

Website developer at the EBU. I used to be a fairly serious player and had a couple of successes, but I don't play very much any more.

 

@mzxclark on Twitter. Also follow @poorbridge if you want old-but-still-funny horoscopes.

Bridge Information

ACBL Ranking
None
Sorry, this user has no cards yet.
A "strong" 2C ruling in SB's favour
"Perhaps the L&E should consider apologising for having a rule that only benefits Secretary Birds as well." Are you for real? You just admitted that there was no Secretary Bird and you'd made most of the story up!
Question for Accountants (of benefit to Pros)
Not a good argument.
Rating Study from ACBL Tournaments
Full details of the NGS are here: https://www.ebu.co.uk/documents/miscellaneous/ngs/full-guide.pdf
Rating Study from ACBL Tournaments
Steve: NGS grades are the percentage you would be expected to score playing with an identical partner in an average field. So a difference of 0.6 isn't very much. If you look at only pairs who differ by 5+ (23% of the total) then the average distance of ...
Rating Study from ACBL Tournaments
For what it's worth, the NGS partnership grades are extremely close to the average of the two individuals. The mean difference is around 0.6, and something like 96% of them are separated by less than 2.
Rating Study from ACBL Tournaments
I don't know if I'll change your mind, and I can't speak for how things would work in other markets, but the experience of the EBU has been positive. The NGS is very popular here, and there certainly hasn't been any big drop-off of players since ...
A better rating system
"I can not help but believe that it's possible to improve over these sorts of naive algorithms." I'm sure you're right, Richard, and I certainly defer to you in the realm of data science, but do you really think it could improve by enough that anyone would ...
A better rating system
It's a matter of opinion, of course, but it might be pretty boring if nobody's grade ever changed and a new player entered the top ten once a decade. Is Espen Erichsen the absolute best player in England? The data doesn't say. But is he a very ...
A better rating system
I chuckle at your second presumption, Richard! Our NGS is very simple compared to what you propose and we still get a lot of enquiries about why someone's grade changed the way it did. If we had to tell them "we have no idea - trust the system" I'm ...
A better rating system
You could argue the reverse. Without a grading system, you have no real benefit to playing with a bad player other than (heaven forbid!) the fun of the game. You're not likely to win prizes or master points. But with a grading system, you have something to aim for ...
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