Individual Calculations July 2011
 Ruston, Mark R  Total change: -24.75  Rating chartPersonal card
 4NCL 2011 various ENG 2010-11-06
RcRownchangeKK*chgGame
 2205 2110 1.00 7 -1.65 15 -24.75 
  Thompson, Ian D f2264 ENG0.001-0.2915-4.35 
  Simons, Martin J 2186 ENG0.5010.10151.50 
  Kwiatkowski, Feliks J c2246 ENG0.001-0.3215-4.80 
  Quillan, Gary m2385 ENG0.001-0.1715-2.55 
  Zeidler, Sven P f2247 WLS0.001-0.3215-4.80 
  Clarke, Brandon G I 2111 ENG0.001-0.5015-7.50 
  Wells, Daniel J 1997 ENG0.501-0.1515-2.25 

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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