Individual Calculations May 2019
 Naylor, Michael A  Total change: 12.80  Rating chartPersonal card
 2018/19 4NCL Div 4 Rounds 7 - 8 Daventry ENG 2019-04-13
RcRownchangeKK*chgGame
 1956 2018 1.50 2 0.32 40 12.80 
  Anderson, Peter W 1978 ENG0.501-0.0640-2.40 
  Gregory, Andrew M 1933 ENG1.0010.384015.20 

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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