Individual Calculations December 2015
 Parekh, Rajen M  Total change: -29.60  Rating chartPersonal card
 4NCL Division 2 WE1 Birmingham ENG 2015-11-14
RcRownchangeKK*chgGame
 1790 1689 0.00 2 -0.74 40 -29.60 
  Zhou, Yang-Jian 1695 ENG0.001-0.4940-19.60 
  Summerscale, Claire E 1885 ENG0.001-0.2540-10.00 

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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