Individual Calculations June 2015
 Zhang, Anthony  Total change: 7.20  Rating chartPersonal card
 4NCL 2014-15 Rounds 9-11 Various ENG 2015-05-02
RcRownchangeKK*chgGame
 2020 2103 2.00 3 0.18 40 7.20 
  Ackley, Peter J 2023 ENG0.501-0.1140-4.40 
  Shaw, Peter 2138 ENG0.5010.05402.00 
  Summerscale, Claire E 1900 ENG1.0010.24409.60 

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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