Individual Calculations May 2012
 Ethelontis, Alexandros N  Total change: -23.25  Rating chartPersonal card
 Southend Open 2012 Southend ENG 2012-04-06
RcRownchangeKK*chgGame
 2037 2178 0.50 3 -1.55 15 -23.25 
  Clarke, Sean A 1965 ENG0.501-0.2715-4.05 
  Hebbes, Tim 2119 ENG0.001-0.5815-8.70 
  Wallis, Ian J 2028 ENG0.001-0.7015-10.50 

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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