Individual Calculations March 2015
 Harrington, James P  Total change: -40.80  Rating chartPersonal card
 Hampstead Under 2200 Congress Feb 15 London ENG 2015-02-21
RcRownchangeKK*chgGame
 1779 1791 0.00 2 -1.02 40 -40.80 
  Keohane, Ben 1963 ENG0.001-0.2740-10.80 
  Samadov, Samir 1594 ENG0.001-0.7540-30.00 

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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