Author: James T. Walker
Date: 17:20:50 06/25/04
Go up one level in this thread
On June 24, 2004 at 20:20:41, Mike Byrne wrote: >On June 24, 2004 at 20:08:17, Vincent Diepeveen wrote: > >>Hello, >> >>Perhaps open a discussion. >> >>I played a few games at FICS now and again see the same thing. If you play much >>lower rated (say 200-700 points), then you lose points simply. If you play equal >>or higher rated then you win rating. >> >>A lot of higher rated players are non stop declining to play games at 3 0. It is >>not nice. But it does bring them points. >> >>What to do to fix this problem other than avoid certain pairings? > >I believe that is true only during the provisional period - rating will equal >(ave opp rating-400) plus number of points x 800 dive by number of games... > >e.g., > >opp rating point >2000 0 >2200 .5 >2400 1 > >ave = (2200-400)+(1.5* 800)/3= 2200 > >so now if you play 1600 opponent and win > >2000 0 >2200 .5 >2400 1 >1600 1 > >ave = (2050-400)+(2.5* 800)/4= 2150 > >so you win the 4th game and lose 50 points - once your rating becomes >non-provisional your rating will no longer be calculated this way. > >This generally is around 20 games, but I am not familiar with FICS specific >rating system. That system is true in most Elo systems. The first few games are also given less weight. You are not going to get an accurate rating untill you have at least 20-30 games anyway. Of course Vincent wouldn't know this since he is only a Master. Jim
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