Individual Calculations September 2011
 Zorbas, Nikolaos  Total change: -30.90  Rating chartPersonal card
 1st International open "Isthmia" - Vrahati 2011 Group A' Vrahati, Korinthos GRE 2011-08-18
RcRownchangeKK*chgGame
 1932 1876 1.00 7 -2.06 15 -30.90 
  Nikolaidis, Konstantinos f2274 GRE0.001-0.0815-1.20 
  Rigopoulos-Tsigkos, Alexandros 2041 GRE0.001-0.2815-4.20 
  Tzolas, Georgios 2049 GRE0.001-0.2715-4.05 
  Paouris, Nikolaos 2030 GRE0.001-0.2915-4.35 
  Kokossis, Danae 1768 GRE0.001-0.6515-9.75 
  Bellos, Evangelos 1621 GRE1.0010.19152.85 
  Drakaki, Anna-Maria 1744 GRE0.001-0.6815-10.20 

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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