Individual Calculations May 2010
 Perhacs, Gejza  Total change: 20.75  Rating chartPersonal card
 SVK_2nd league group D Various SVK 2009-10-10
RcRownchangeKK*chgGame
 1976 1994 4.50 7 0.83 25 20.75 
  Dujava, Daniel 1924 SVK1.0010.402510.00 
  Ducay, Miroslav 2034 SVK1.0010.562514.00 
  Vrabel, Michal 1991 SVK0.001-0.5025-12.50 
  Fecko, Juraj 1902 SVK1.0010.37259.25 
  Recky, Norbert 1957 SVK0.501-0.0525-1.25 
  Zido, Peter 1942 SVK0.501-0.0725-1.75 
  Micek, Jaroslav 2081 SVK0.5010.12253.00 

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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