Individual Calculations April 2009
 Mavrokordopoulos, Sotirios  Total change: -9.75  Rating chartPersonal card
 93th Ambelokipi Open Ambelokipi, Athens GRE 2009-01-10
RcRownchangeKK*chgGame
 1668 2018 0.50 1 -0.39 25 -9.75 
  Efkarpidis, Stylianos 1668 GRE0.501-0.3925-9.75 

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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