Individual Calculations September 2021
 Efthymiou, Ioannis Marios  Total change: -8.80  Rating chartPersonal card
 30th International open of Kavala 2021 - B group Kavala GRE 2021-08-01
RcRownchangeKK*chgGame
 1225 1048 2.00 8 -0.22 40 -8.80 
  Arzoumanidis, Alexandros 1425 GRE0.001-0.0940-3.60 
  Kostov, Troyan 1213 BUL0.001-0.2840-11.20 
  Bougas, Theodoros 1184 GRE0.5010.18407.20 
  Kamperidis, Charalampos 1201 GRE0.5010.20408.00 
  Theodosiou, Dimosthenis 1272 GRE0.5010.284011.20 
  Balafoutis, Ilias 1176 GRE0.001-0.3340-13.20 
  Balafoutas, Alexandros 1150 GRE0.001-0.3640-14.40 
  Papakyriakou, Charalampos 1179 GRE0.5010.18407.20 

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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