Richard HILLS richard.hills at immi.gov.au
Thu Nov 21 23:10:20 CET 2013

>(2) maintain the current decimalised Victory Point scale, or
>(3) adopt a +50 / -50 Victory Point scale, where 1 imp = 1 VP up to a
>ceiling of plus or minus 50 imps. For psychological / euphemistic reasons
>negative VPs will be avoided, thus a 100-0 Victory Point scale, so a match
>ending in an exact tie will give each team 50 VPs.

The problem with traditional VP scales (for example, the former WBF 25-0
VP scale) is the issue of "breakage". That is, accruing a particular extra imp
is usually worth zero extra VPs, but accruing a different extra imp is worth
one significant extra VP.

An extreme example of one imp being very privileged over other imps is a
VP scale formerly used in ACBL-land for some Swiss Teams events:
maximum VPs for winning a Swiss match by one imp (or by fifty imps);
minimum VPs for losing a Swiss match by one imp (or by fifty imps).

"Breakage" is not an issue in both options (2) and (3) above, as every imp
is sacred until their very high maximum VP ceilings are reached.

Monty Python (slightly modified):

Every imp is sacred
Every imp is great
If an imp is wasted
God gets quite irate.


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