Individual Calculations July 2011
 Wallis, Ian J  Total change: 20.85  Rating chartPersonal card
 4NCL 2011 various ENG 2010-11-06
RcRownchangeKK*chgGame
 2072 1977 4.00 7 1.39 15 20.85 
  Sanders, Isaac B 1979 ENG0.5010.00150.00 
  Tandy, Chris c2166 JCI0.001-0.2515-3.75 
  Norinkeviciute, Rasa wf2028 LTU1.0010.57158.55 
  Ruthen, Stephen W 2066 ENG1.0010.62159.30 
  Williamson, Kevin J 2065 ENG0.5010.12151.80 
  Ponter, Ian P 2040 ENG1.0010.59158.85 
  Kemp, Peter D 2158 ENG0.001-0.2615-3.90 

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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