Individual Calculations July 2019
 Gray, Mark S  Total change: 12.40  Rating chartPersonal card
 CCF Cup 2019 Elite Rounds 1-4 London ENG 2019-06-03
RcRownchangeKK*chgGame
 2172 2130 1.50 2 0.62 20 12.40 
  Lock, Gavin R 2148 ENG0.5010.03200.60 
  Snape, Ian L 2196 ENG1.0010.592011.80 

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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