Individual Calculations January 2009
 Eng, Kenneth  Total change: -7.35  Rating chartPersonal card
 39th Annual National Chess Congress Philadelphia, Pennsylvania USA 2008-11-28
RcRownchangeKK*chgGame
 2174 2045 0.50 3 -0.49 15 -7.35 
  Dougherty, Michael f2214 CAN0.001-0.2815-4.20 
  Times, Jerald W 2202 USA0.001-0.2915-4.35 
  Weser, Adam 2106 USA0.5010.08151.20 

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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