Author: Dave Gomboc
Date: 22:54:31 10/06/99
Go up one level in this thread
On October 06, 1999 at 23:07:06, Robert Hyatt wrote: >On October 06, 1999 at 18:20:33, KarinsDad wrote: > >>On October 06, 1999 at 18:05:31, Dave Gomboc wrote: >> >>>On October 06, 1999 at 16:10:52, KarinsDad wrote: >>> >>>>On October 06, 1999 at 15:57:14, Dave Gomboc wrote: >>>> >>>>[snip] >>>>> >>>>>Ratings predict results. The Canadian system is arguably MORE accurate at >>>>>predicting results than the US system for this reason, but certainly not less. >>>>> >>>>>Dave >>>> >>>>How so (that is really confusing)? >>>> >>>>KarinsDad :) >>> >>>Because the ratings are tied to the results of all pairings made, not just those >>>games where both people showed up. >>> >> >>Dave, >> >>Maybe I am just being dense but, yeah so? >> >>The fact is that any forfeit can lower or raise a person's rating by as much as >>32 points (in the US). But, that person did not REALLY deserve such a raise or >>lowering. Let's take an example: >> >>Say two 1600 players are supposed to play, but in the last round, one gets in a >>car accident (he is not injured, he just cannot make it to the tournament) and >>forfeits. Nobody knows why he forfeited, so the TD sends in the pairings to the >>federation. >> >>These two players are both 1600 (let's assume that they both maintained their >>rating in the first x rounds of the tournament). They are fairly close in >>strength. But after this tournament, one of them is rated 1616 and the other is >>rated 1584. Is it true that the 1584 player is REALLY 32 points lower than the >>other? Of course not. But, that does not stop him from getting this rating. >> >>How can one state that it is MORE accurate to predict results between the 1584 >>and the 1616 player when in reality, they should both be 1600 players? The >>prediction should be off. Please explain with more detail since I am clueless on >>this (and yes, I realize that if someone has a propensity to forfeit, this would >>lower his rating in the long run). >> >>Thanks, >> >>KarinsDad :) > > >Has the USCF changed their forfeit policy over the years. When I played in >rated tournaments, forfeits counted for pairings, but the games were _not_ >rated in any way... ditto for automatic 1/2 point byes, etc... they didn't >affect your rating unless the game was really started... > >has this really changed? It doesn't appear so. In Canada, no-show forfeits are rated, though. Dave
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