Individual Calculations July 2012
 Piechota, Piotr  Total change: -9.15  Rating chartPersonal card
 Wielkopolska Liga Seniorów - IV Liga grupa A Rejon Wielkopolski POL 2011-11-27
RcRownchangeKK*chgGame
 1855 1663 1.00 6 -0.61 15 -9.15 
  Niekras, Dawid 1828 POL0.001-0.2815-4.20 
  Kaluzny, Lukasz 1999 POL0.001-0.1215-1.80 
  Simon, Marek 1813 POL0.001-0.3015-4.50 
  Pawlicki, Dariusz 1714 POL1.0010.57158.55 
  Zielewicz, Piotr 1768 POL0.001-0.3615-5.40 
  Markiewicz, Tomasz 2006 POL0.001-0.1215-1.80 

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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