Individual Calculations March 2015
 Wittmann, Jochen  Total change: -9.60  Rating chartPersonal card
 4NCL 2014-15 Rounds 5-6 Various ENG 2015-02-14
RcRownchangeKK*chgGame
 2127 2120 0.50 2 -0.48 20 -9.60 
  Jackson, Sheila wg2127 ENG0.001-0.4920-9.80 
  McGowan, Daniel 2127 SCO0.5010.01200.20 

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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