Individual Calculations February 2015
 Markakis, Georgios V.  Total change: -38.40  Rating chartPersonal card
 13th open Heraklio Grand Prix Chess Festival 2015 - A group Heraklio Crete GRE 2015-01-02
RcRownchangeKK*chgGame
 1171 1110 2.00 7 -0.96 40 -38.40 
  Lantzourakis, Emmanouil 1378 GRE0.001-0.1740-6.80 
  Dagkonaki, Aspasia 1163 GRE0.5010.07402.80 
  Papidakis, Georgios 1090 GRE0.001-0.5340-21.20 
  Kallergis, Georgios 1268 GRE1.0010.714028.40 
  Koutsourakis, Emmanouil 1229 GRE0.001-0.3440-13.60 
  Malliarakis, Stylianos 1050 GRE0.501-0.0840-3.20 
  Koutsouraki, Ariadni 1020 GRE0.001-0.6240-24.80 

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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