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[gnugo-devel] rating inflation on NNGS
From: |
Gunnar Farneback |
Subject: |
[gnugo-devel] rating inflation on NNGS |
Date: |
Wed, 16 Jul 2003 22:40:17 +0200 |
User-agent: |
EMH/1.14.1 SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.3 Emacs/20.7 (sparc-sun-solaris2.7) (with unibyte mode) |
GNU Go is now 8k* on NNGS. This is not due to a sudden improvement of
GNU Go but is caused by a general rating shift of 2 stones on NNGS.
The explanation for this is given by the command "help new-ratings",
as follows:
| Ratings raised 2 stones on July 16, 2003
|
| During the spring a poll was made among some of the NNGS players about
| their view of the level of the NNGS rating system. As you know, the
| level is "low" compared to most national ranks and other go servers.
|
| The result of the two relevant questions in the poll can be seen below
| (there were also reference questions asked about other known ranks and
| nationality). As seen, a clear majority thinks that the ratings were
| too low and should be raised by 1-2 stones in most cases.
|
| Based on this, we have now raised the ratings 2 whole stones.
| This is of course mostly a "cosmetic" change, a matter of psychology
| (as some people recent having a rating of, say 1k, when they are 2d
| in "real life"), but not only that. We also think it's impractical to
| have a rating that's differs too much from the rest of the world.
| Having a rating level in tune with the rest of the world makes it
| easier for people to get an accurate rating from the start.
|
| Note: This does not affect the relative ratings or the handicap you should
| use. It does however change things for players who have set a rank
| with the "rank" command, but have not yet got a rating. They should
| adjust the rank accordingly.
|
| --
| The poll result:
|
| 1) I belive the current NNGS ratings are
| A) ok 18%
| B) too low 56%
| C) too high 0%
| D) not important 25%
| no answer 1%
|
| 2) (If B or C above) I think the ratings should be
| raised by 0.5 stone 16%
| raised by 1 stone 29%
| raised by 1.5 stone 4%
| raised by 2 stones 35%
| raised by 3 stones 13%
| raised by 4 stones 3%
/Gunnar
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