Individual Calculations October 2008
 Rafa, Robert  Total change: -20.55  Rating chartPersonal card
 Mazovian International Chess Festival gr. B Warszawa POL 2008-08-02
 2139 2033 1.50 8 -1.37 15 -20.55 
  Zickus, Simonas 2270 LTU0.001-0.2015-3.00 
  Walentukiewicz, Michal c2200 POL0.001-0.2815-4.20 
  Gosciniak, Maria 2096 POL0.001-0.4115-6.15 
  Wickstrom, Lucas 2139 SWE0.001-0.3615-5.40 
  Kultiyasov, Mikhail 2141 BLR0.001-0.3515-5.25 
  Wypych, Dominik 2085 POL0.001-0.4315-6.45 
  Jaskowski, Tadeusz 2040 POL0.5010.01150.15 
  Mandecki, Marek 2140 POL1.0010.65159.75 

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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