Individual Calculations February 2023
 Cox, Toby  Total change: 55.20  Rating chartPersonal card
 London Christmas Chess Congress - Open London ENG 2022-12-28
RcRownchangeKK*chgGame
 2085 1858 2.00 4 1.04 40 41.60 
  Merriman, John f2314 ENG0.001-0.0640-2.40 
  Zakarian, Dimitrios Levon 1958 ENG1.0010.644025.60 
  Yogit, S 2084 ENG0.001-0.2140-8.40 
  Rushbrooke, Remy 1982 ENG1.0010.674026.80 

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 3 East Rounds 3-4 Daventry ENG 2023-01-07
RcRownchangeKK*chgGame
 2191 1912 0.50 1 0.34 40 13.60 
  Swanson, Stephen 2191 SCO0.5010.344013.60 

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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