Individual Calculations May 2010
 Zorbas, Nikolaos  Total change: 4.20  Rating chartPersonal card
 103th Ambelokipi Open Poteas Memorial Ambelokipi - Athens GRE 2010-03-06
RcRownchangeKK*chgGame
 1784 1814 4.00 7 0.28 15 4.20 
  Himaras, Stefanos 2214  * GRE0.001-0.0815-1.20 
  Batas, Ioannis 1414  * GRE1.0010.08151.20 
  Hamaletsos, Hristoforos 2091 GRE0.001-0.1715-2.55 
  Grafakou, Sotiria-Aphrodite 1414  * GRE1.0010.08151.20 
  Tsiros, Dimitrios 1621 GRE1.0010.25153.75 
  Kaloskambis, Mihail 2072 GRE0.001-0.1815-2.70 
  Efkarpidis, Stylianos 1661 GRE1.0010.30154.50 
 * 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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