Individual Calculations May 2012
 Forbes, Douglas M  Total change: 5.10  Rating chartPersonal card
 e2e4 High Wycombe Intermediate March 2012 High Wycombe ENG 2012-03-16
RcRownchangeKK*chgGame
 1708 1640 1.00 2 0.17 30 5.10 
  Probert, Malcolm 1578 WLS1.0010.413012.30 
  Homolka, Vincent 1838 ENG0.001-0.2430-7.20 

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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