[blml] IMP-scales for 2/3/4 boards

[Tony Musgrove]

I fail to understand why VPs are necessarily integers.  MPs
seem to be infinitely divisible.  Herman's Bastille system
which my scoring programs have adopted for cross imps
calculations allow imps to be a continuous variable.  With
computers doing all the marking these days, WTP

Tony (Sydney)


At 12:24 AM 8/02/2007, you wrote:
>John Probst wrote:
> >
> > A rough and ready is fo to the WB, divide the imps for 8, 16 and 24 board
> > matches by 2; then adjust the VPS to an 8 point scale by inspection.
>
>And to a 4/6/8 VP-scale? In 2-board matches, there are 4 points at
>stake for MP, so also 4 VP on the IMPs.
>
> > Definitely you need a different scale for each of the three options. If 
> you
> > want a rigorous solution it'll cost you a bed for the night and I'll come
> > over for a long weekend and test your TD's.   John
> >
>
>The bed is not a problem - but why should we want to test TD's?
>
> > This'll do (I've just done it on the fly from the white book for you.)
> >
> > VPs  2Bds 3Bds 4Bds
> > 4-4 0-1  0-2  0-2
> > 5-3 2-4  3-7 3-7
> > 6-2 5-7  8-11 8-12
> > 7-1 8-11 12-16 13-19
> > 8-0 12+ 17+  20+
> >
>
>Would you recommend this 12,17,20 as the basis for the 4-0,6-0,8-0?
>Then we have something like :
>
>2bds: -11 to +11 is 23 scores for 3 different VPs : 7/8 each gives:
>0-3 = 2-2, 4-11 = 3-1, 12+ = 4-0
>
>3bds: -16 to +16 is 31 for 5 different VPs : 7/6 each gives
>0-3 = 3-3, 4-10 = 4-2, 11-16 = 5-1, 17+ = 6-0
>
>4bds: -19 to +19 is 39 for 7 different VPs : 7/5 each gives
>0-3 = 4-4, 4-9 = 5-3, 10-14 = 6-2, 15-19 = 7-1, 20+ = 8-0
>
>
>
>--
>Herman DE WAEL
>Antwerpen Belgium
>http://www.hdw.be
>
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