Individual Calculations July 2010
 Conlon, Joseph P  Total change: 2.70  Rating chartPersonal card
 Four Nations Chess League (4NCL) Various ENG 2009-10-24
RcRownchangeKK*chgGame
 2293 2208 1.00 2 0.18 15 2.70 
  Hebden, Mark L g2503 ENG0.001-0.1515-2.25 
  Wilson, Alexandra wf2083 SUI1.0010.33154.95 

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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