Individual Calculations April 2008
 Lu, Yu Zhong  Total change: 10.80  Rating chartPersonal card
 34th Annual Eastern Open Washington DC USA 2007-12-27
RcRownchangeKK*chgGame
 2120 2163 3.50 5 0.72 15 10.80 
  Bryant, Todd C 2027 USA1.0010.32154.80 
  Bady, Glenn 2204 USA0.5010.06150.90 
  Tae, Patrick John 2138 USA0.501-0.0315-0.45 
  Beckman, Thomas J 2053 USA1.0010.35155.25 
  Henry, Ronald L 2179 USA0.5010.02150.30 

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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