Individual Calculations March 2023
 Boughen, Andrew  Total change: 38.80  Rating chartPersonal card
 2022/23 4NCL Division 3 East Rounds 5-6 Warwick ENG 2023-02-11
RcRownchangeKK*chgGame
 1742 1757 2.00 2 0.97 40 38.80 
  Nguyen, Anh 1553 ENG1.0010.24409.60 
  Valentine, Brian J 1931 ENG1.0010.734029.20 

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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