Individual Calculations May 2011
 Pehal, Ludek  Total change: -5.25  Rating chartPersonal card
 Krajsky prebor I JMSS various CZE 2010-10-10
RcRownchangeKK*chgGame
 2031 1797 0.00 1 -0.21 25 -5.25 
  Petlak, Josef 2031 CZE0.001-0.2125-5.25 

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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