Individual Calculations January 2010
 Berry, Jim  Total change: -5.70  Rating chartPersonal card
 1st Thanksgiving FIDE Open Stillwater, Oklahoma USA 2009-11-27
RcRownchangeKK*chgGame
 2264 2012 0.00 2 -0.38 15 -5.70 
  Langer, Michael f2300 USA0.001-0.1615-2.40 
  Movsisyan, M f2228 USA0.001-0.2215-3.30 

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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