Individual Calculations May 2011
 Kozek, Wojciech  Total change: -20.75  Rating chartPersonal card
 Druzynowe Mistrzostwa Mazowsza Warszawa POL 2011-01-08
RcRownchangeKK*chgGame
 1943 1850 1.50 6 -0.83 25 -20.75 
  Runowiecki, Tadeusz 2003 POL0.5010.20255.00 
  Grzelak, Artur 2226 POL0.001-0.0925-2.25 
  Rafa, Robert 1957 POL0.001-0.3525-8.75 
  Zielinski, Michal 1820 POL1.0010.462511.50 
  Jedynak, January 1592 POL0.001-0.8225-20.50 
  Krasiewicz, Robert 2057 POL0.001-0.2325-5.75 

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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