Individual Calculations September 2010
 Mielczarek, Tomasz  Total change: -12.50  Rating chartPersonal card
 Druzynowe Mistrzostwa Slaska Seniorow LOS 2010 woj. Slaskie POL 2010-01-10
RcRownchangeKK*chgGame
 1984 1787 0.00 2 -0.49 25 -12.25 
  Jelonek, Michal 1959 POL0.001-0.2725-6.75 
  Karweta, Jan 2008 POL0.001-0.2225-5.50 

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)
 
 Miedzynarodowy Festiwal Ziemi Chelmskiej Chelm POL 2010-07-07
RcRownchangeKK*chgGame
 1778 1787 0.50 1 -0.01 25 -0.25 
  Kowalczyk, Mariusz 1778 POL0.501-0.0125-0.25 

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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