Individual Calculations February 2023
 Reynolds, D Ian W  Total change: -2.60  Rating chartPersonal card
 2022/23 4NCL Division 3 East Rounds 3-4 Daventry ENG 2023-01-07
RcRownchangeKK*chgGame
 1981 1987 0.50 1 -0.01 20 -0.20 
  Peck, Silas 1981 ENG0.501-0.0120-0.20 

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)
 
 2022/23 4NCL Division 4 Rounds 3-4 Daventry ENG 2023-01-07
RcRownchangeKK*chgGame
 1897 1987 0.50 1 -0.12 20 -2.40 
  Davis, Lee 1897 WLS0.501-0.1220-2.40 

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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