Individual Calculations October 2013
 Kozlowski, Tomasz  Total change: -19.80  Rating chartPersonal card
 Obra Lato Open 2013 Obra POL 2013-08-28
RcRownchangeKK*chgGame
 1759 1961 4.50 8 -1.32 15 -19.80 
  Kosinski, Bartosz 1561  * POL1.0010.08151.20 
  Derewlany, Pawel 1618 POL0.001-0.8815-13.20 
  Kowalewicz, Kacper 1711 POL1.0010.19152.85 
  Rybakowski, Karol 1847 POL0.501-0.1615-2.40 
  Budnicki, Maciej 1687 POL0.501-0.3315-4.95 
  Jankowiak, Tomasz 1577 POL1.0010.09151.35 
  Korbal, Arkadiusz 2140 POL0.001-0.2715-4.05 
  Glatty, Zbigniew 1930 POL0.501-0.0415-0.60 
 * 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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