Individual Calculations February 2015
 Koutsaftis, Efstratios  Total change: 12.40  Rating chartPersonal card
 13th open Heraklio Grand Prix Chess Festival 2015 - A group Heraklio Crete GRE 2015-01-02
RcRownchangeKK*chgGame
 1589 1330 1.00 3 0.31 40 12.40 
  Aggeletos, Marios 1730  * GRE0.001-0.0840-3.20 
  Stefanatos, Nikolaos 1730  * GRE0.001-0.0840-3.20 
  Foinikianaki, Stella 1308 GRE1.0010.474018.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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