Individual Calculations March 2013
 Abbott, Mark V  Total change: -15.00  Rating chartPersonal card
 e2e4 Torquay Open Torquay ENG 2013-02-08
RcRownchangeKK*chgGame
 1970 1971 0.50 2 -0.50 30 -15.00 
  Jackson, Paul G 1882 ENG0.501-0.1230-3.60 
  Piper, Stephen J 2057 ENG0.001-0.3830-11.40 

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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