Individual Calculations September 2011
 Vlassis, Georgios  Total change: -39.45  Rating chartPersonal card
 20th International Open of Kavala 2011 - A' Group Kavala GRE 2011-07-30
 2094 2138 2.50 9 -2.63 15 -39.45 
  Kohlweyer, Bernd m2494 GER0.5010.39155.85 
  Kanakaris, Georgios 2281 GRE0.001-0.3115-4.65 
  Vatkali, Dimitra 1929 GRE0.001-0.7715-11.55 
  Altukhov, Yriu 2054 RUS0.001-0.6215-9.30 
  Balokas, Dimitrios 2060 GRE0.001-0.6115-9.15 
  Kakkanas, Evangelos 1976 GRE1.0010.29154.35 
  Papakonstantinou, Dimitrios 2018 GRE0.501-0.1615-2.40 
  Megalios, Konstantinos 2008 GRE0.001-0.6815-10.20 
  Petraki, Maria wf2024 GRE0.501-0.1615-2.40 

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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