Individual Calculations January 2010
 De Jesus, Jeffrey  Total change: -1.75  Rating chartPersonal card
 13th Annual Texas Collegiate Chess Championship Houston, Texas USA 2009-11-21
RcRownchangeKK*chgGame
 2368 2166 0.50 2 -0.07 25 -1.75 
  Papp, Gabor m2553 HUN0.001-0.0925-2.25 
  Watters, Chase Miles 2183 USA0.5010.02250.50 

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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