Individual Calculations January 2017
 Crowdy, Stephen C  Total change: -46.00  Rating chartPersonal card
 CCF CHRISTMAS CONGRESS Open 2016 London ENG 2016-12-17
RcRownchangeKK*chgGame
 1800 2079 0.50 2 -1.15 40 -46.00 
  Faulkner, Martin J 1882 ENG0.501-0.2540-10.00 
  Heron, Donald 1718 SCO0.001-0.9040-36.00 

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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