Individual Calculations July 2017
 Michalas, Iason  Total change: 8.80  Rating chartPersonal card
 2017 Attica Youth under 12 Team Championhip - ESSNA 1-5 ESSNA GRE 2017-04-30
RcRownchangeKK*chgGame
 1223 1149 1.00 3 -0.22 40 -8.80 
  Tegos, Lampros 1173 GRE1.0010.534021.20 
  Spanos, Dimitrios 1366 GRE0.001-0.2240-8.80 
  Tragoudaras, Nikolaos 1131 GRE0.001-0.5340-21.20 

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)
 
 2017 Attica Youth under 12 Team Championhip - ESSNA final 8 ESSNA GRE 2017-06-02
RcRownchangeKK*chgGame
 1109 1149 1.00 1 0.44 40 17.60 
  Evaggeliou, Georgios 1109 GRE1.0010.444017.60 

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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