Individual Calculations July 2008
 Sisak, Richard  Total change: -9.15  Rating chartPersonal card
 Championship of the Prague region Prague CZE 2008-01-11
RcRownchangeKK*chgGame
 2041 2080 0.50 2 -0.61 15 -9.15 
  Sakar, Milos 2090 CZE0.5010.01150.15 
  Blicha, Martin 1991 SVK0.001-0.6215-9.30 

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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