Individual Calculations July 2012
 Piper, Stephen J  Total change: 12.90  Rating chartPersonal card
 4NCL Various ENG 2011-11-12
RcRownchangeKK*chgGame
 2099 2052 3.50 7 0.43 30 12.90 
  Agnew, Alan 2049 ENG0.5010.00300.00 
  Pleasants, Allan J 2089 WLS0.5010.05301.50 
  Taylor, Dale C 2017 ENG1.0010.453013.50 
  Walker, Nicholas P 2061 ENG0.001-0.4930-14.70 
  Gooding, Ian 2035 ENG1.0010.483014.40 
  Granat, Russell G 2213 ENG0.001-0.2930-8.70 
  Thorarinsson, Pall A 2229 ISL0.5010.23306.90 

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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