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John Smith
John Smith
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Member Since
Feb. 6
Last Seen
July 19
Member Type
bridge player

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Zero-max imps (new scoring method)
Your opponents have made no "mistake" and hence get zero. But nor have you, and you also get zero. In traditional zero-sum pairs scoring, you're getting a bad score despite your "perfect" defence. Unlucky. You pick your poison.
Zero-max imps (new scoring method)
They get a penalty for going down in a making game. Obviously.
Zero-max imps (new scoring method)
NK: That is true, but since all players getting a big penalty on the "unbiddable slam" board are sitting the same way and their % is derived by comparing their total zero-max IMPs to the average their way, they aren't disadvantaged.
Zero-max imps (new scoring method)
I'm might be convincible regarding the merits of %-age conversion, but your formula doesn't look stable w.r.t. the total number of boards (since the session score of the strongest pair will grow asymptotically linearly with the number of boards). In MP scoring, their % would converge to ...
Zero-max imps (new scoring method)
You might get a board where it is very hard for NS to avoid a mistake (a very lucky slam which no sane person would bid). This would be a zero-board for all the EW pairs and a varying number of -IMPs for the NS pairs, depending on how far ...
Zero-max imps (new scoring method)
The key point about this method compared with most other scoring methods is that it is not zero-sum: if oppo do something smart but we do nothing wrong, we don't get penalized. This is arguably a big problem with traditional scoring at pairs, and one which doesn't arise ...
Outraged by the USBF
People still play them, but I can't find anything recent: 2001 http://info.ecatsbridge.com/systems/2001%20European%20Teams%20Tenerife/Open%20Teams/Luxembourg/Kloppenborg-Schaaper%20NV.pdf 2009 http://info.ecatsbridge.com/systems/2009WorldTeams-Brazil/BermudaBowl/new-zealand/whibley-ware_HUMSYSTEM.pdf
A GNT Debacle: Too Many Winners
If one team has no realistic chance of winning but prefers one of the other teams over the third, they may dump to help their "friends"
A GNT Debacle: Too Many Winners
Except that "total" anything is susceptible to dumping in a small round-robin (a "3-way KO" is effectively that I think). Personally I would prefer "VP each match, then use instant runoff to determine placings" whenever the number of teams is small enough for a round-robin. The rationale is that like ...
Waking up to your misbid on your own, before partner's alert
JP is right here. If you make your bid sufficient, not only is there no penalty but the fact that you retracted one bid and replaced it with another is AI for partner. If you obtain a better result as a consequence of the insufficient-bid-made-sufficient, then the Director can adjust.
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