Individual Calculations February 2023
 Birtwistle, Nigel  Total change: -3.40  Rating chartPersonal card
 2022/23 4NCL Division 2 Rounds 3-4 Daventry ENG 2023-01-14
RcRownchangeKK*chgGame
 2282 2157 0.50 2 -0.17 20 -3.40 
  Mirzoeva, Elmira wg2261 FID0.5010.14202.80 
  Franklin, Samuel G A f2302 ENG0.001-0.3120-6.20 

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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