Individual Calculations June 2018
 Watson, Phil R  Total change: 3.80  Rating chartPersonal card
 2017/18 4NCL Division 3 North Rounds 9-11 Doncaster ENG 2018-05-05
RcRownchangeKK*chgGame
 2077 2121 2.00 3 0.32 20 6.40 
  Thorarinsson, Pall A. f2277 ISL0.5010.21204.20 
  Combie, Alex B 1999 ENG1.0010.33206.60 
  Sullivan, Daniel 1954 ENG0.501-0.2220-4.40 

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)
 
 North East League 2019-20 Quarter Final: Yorkshire v Essex Syston ENG 2018-05-12
RcRownchangeKK*chgGame
 2025 2121 0.50 1 -0.13 20 -2.60 
  Gregory, Philip J 2025 ENG0.501-0.1320-2.60 

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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