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Bridge Winners Profile for John Portwood

John Portwood
John Portwood
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Basic Information

Member Since
Aug. 23, 2011
Last Seen
4 hours ago
Member Type
Bridge Player
about me

EBU MP Rank: 1 Star Premier Tournament Master

EBU TD Rank: Trainee Panel Director

EBU NGS Rank: King (59-61)

Now in Mid 50s, have been member of one bridge club for 40 years - and pretty well play in the one club (which means I don't get much chance of getting those valuable green and gold masterpoints). Widowed (Avatar is picture of late wife) with one youth and nearly retired.

I like to think that I am a highly ethical, polite and considerate to partner and opponents.


United Kingdom

Bridge Information

Favorite Bridge Memory
Overcalling a multi 2D on a six card spade suit - only to find that that was the suit intended.
Bridge Accomplishments
Winning a pack of 6 mixer drinks in an EBU magazine competition
Regular Bridge Partners
Professor WJ Zakrzewski
Member of Bridge Club(s)
Favorite Tournaments
Don't play in any.
Favorite Conventions
My own!
BBO Username
ACBL Ranking
Sorry, this user has no cards yet.
Zero-max imps (new scoring method)
Well it is in pre-dealt hands, but not every club uses them. The number of imps NS make in a normal IMP event also depends on the EW distribution - so this element of luck is constant. Not sure whether tactics would change
Zero-max imps (new scoring method)
As I understand it - those NS who bid a game that should not have been bid i.e. bad bridge, lose 0 imps. Those EW who mis-defended the game that they should have got down (maybe on double dummy defence) lose 9 imps. What it means is that you aren ...
Zero-max imps (new scoring method)
Does the fact that there will be fewer Imps scored affect the calculation to VPs and also NGS? As you know, the NGS system use a multiplier to convert average imps/ hand into percentages. If the EBU accepted this scoring method then no doubt a different multiplyer would be required ...
Zero-max imps (new scoring method)
OK - I was concerned that if no one beat par then one side would get no imps at all - and from that you canimagine a scenario where the par score on every hand is unobtainable for one side through the entire session - and all NS would end up on 0 ...
Zero-max imps (new scoring method)
So if the datum is NS + 430 and NS actually get +400 NS: -1 imp, EW 0 (EW get nothing since result was NS error.) But if NS get +460 NS: 0 imp, EW -1 imp (NS get nothing since result was EW error) Correct?
Zero-max imps (new scoring method)
I see no reason why you can't score in this method - in effect it is seeing how well you do compared to perfect bridge - and removes pretty well all luck from the event. The best players will still win as they will lose fewer imps. To accept this method ...
Denver Case N9 - Make up your minds!
The ruling does not state that the pause demonstrably suggests doubling: what it does state is that partner has extra values so that 'not-passing' might be succesful. By 'not-passing' the bidder has not 'carefully avoided' taking advantage of the UI - law 73C IIRC (which refers to 16B)
Zero-max imps (new scoring method)
Because the opponents might not be able to just go one-off at a higher level. If the best that they can make is 1S then the optimum score for N/S is always +140.
In precision I have limited my hand - so I show suit. In 2/1 I have done neither - and I prefer to limit my hand. If I miss a 4-4 major fit (only happen when partner is 4-4 or more in the majors and a weakish hand) then so be ...
What is an Expert in EBUland?
If the EBU algorithm was applied worldwide then each country would be able to rank its players on a similar scale - BUT the scales would not be really equivalent as there would not be much diffusion of ranking between countries. A 60 player in the USA might not be equivalent ...
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