Individual Calculations October 2008
 Pietroczuk, Roman  Total change: -33.75  Rating chartPersonal card
 The 44th Akiba Rubinstein International Chess Festival -Open B Polanica Zdroj POL 2008-08-19
 1816 2034 5.50 10 -2.25 15 -33.75 
  Labuda, Michal 1830 POL0.501-0.2615-3.90 
  Mucha, Magdalena 1784 POL0.001-0.8115-12.15 
  Mc Aleenan, Charles 1824 SCO1.0010.23153.45 
  Marchlewicz, Damian 1861 POL0.001-0.7315-10.95 
  Bednarczyk, Damian 1837 POL0.001-0.7515-11.25 
  Stankiewicz, Pawel 1809 POL0.501-0.2815-4.20 
  Adamowicz, Maciej 1790 POL0.501-0.3015-4.50 
  Jarus, Grzegorz 1844 POL1.0010.25153.75 
  Chudzik, Tomasz 1860 POL1.0010.27154.05 
  Tarnowska, Aleksandra 1718 POL1.0010.13151.95 

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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