Individual Calculations February 2023
 Coathup, Roger H  Total change: -11.40  Rating chartPersonal card
 2022/23 4NCL Division 2 Rounds 3-4 Daventry ENG 2023-01-14
RcRownchangeKK*chgGame
 2278 2108 0.00 2 -0.57 20 -11.40 
  Pigott, John C m2358 ENG0.001-0.1920-3.80 
  McKay, Roderick M m2197 SCO0.001-0.3820-7.60 

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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