Individual Calculations May 2010
 Mrkus, Frantisek  Total change: 6.50  Rating chartPersonal card
 Extraliga dorostu - vychod various CZE 2009-10-03
RcRownchangeKK*chgGame
 1830 1629 0.50 1 0.26 25 6.50 
  Dvorak, Adam 1830 CZE0.5010.26256.50 

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)
 

 

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