Individual Calculations May 2010
 Ioannou, Evripidis  Total change: 4.05  Rating chartPersonal card
 Attica Team Champ. A' Local Category - A' Group Attica GRE 2010-01-10
RcRownchangeKK*chgGame
 1927 2020 1.50 2 0.27 15 4.05 
  Pelekis, Georgios 1780 GRE0.501-0.3015-4.50 
  Girvalakis, Spyridon 2073 GRE1.0010.57158.55 

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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