Individual Calculations January 2010
 Ratliff, David  Total change: -0.30  Rating chartPersonal card
 Chess.MN Inaugural FIDE Rated Tournament Minneapolis, Minnesota USA 2009-11-13
RcRownchangeKK*chgGame
 2057 2060 2.50 5 -0.02 15 -0.30 
  Amarasinghe, Prashantha 1954 SRI0.501-0.1415-2.10 
  Kalina, Chris M 2084 USA1.0010.53157.95 
  Yang, Michael 2097 USA0.001-0.4515-6.75 
  Dahl, Matthew D 2062 USA0.5010.00150.00 
  Hortillosa, Andres 2087 USA0.5010.04150.60 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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