Individual Calculations August 2017
 Nguyen, Piotr  Total change: -21.00  Rating chartPersonal card
 MetLife Warsaw Najdorf Chess Festiwal Gr. A Warszawa POL 2017-07-09
 2264 2444 4.50 9 -2.10 10 -21.00 
  Szadkowski, Kamil 2237 POL0.001-0.7710-7.70 
  Rakesh, Kumar Jena f2283 IND0.001-0.7110-7.10 
  Selbes, Tarik f2260 TUR1.0010.26102.60 
  Yogesh, Gautam 2243 IND0.501-0.2610-2.60 
  Kubicka, Anna 2152 POL0.501-0.3510-3.50 
  Kucza, Karol f2297 POL0.501-0.2010-2.00 
  Sieber, Fiona wf2286 GER1.0010.29102.90 
  Lewicki, Miroslaw c2323 POL0.501-0.1610-1.60 
  Karpus, Michal f2291 POL0.501-0.2010-2.00 

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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