Individual Calculations January 2017
 Stoneman, Ian D  Total change: -26.60  Rating chartPersonal card
 CCF CHESS CLUB DICKY WHITE CLUB TOURNAMENT 2016-17 DECEMBER London ENG 2016-12-05
RcRownchangeKK*chgGame
 1342 1470 0.00 2 -1.33 20 -26.60 
  Johnson, Stephen G 1232 ENG0.001-0.8020-16.00 
  Levey, Steve 1452 ENG0.001-0.5320-10.60 

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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