Individual Calculations June 2023
 Harkness, Bryan  Total change: 75.20  Rating chartPersonal card
 Durham County Chess Congress - Open Darlington ENG 2023-05-12
RcRownchangeKK*chgGame
 2112 1935 3.00 4 1.88 40 75.20 
  Burnett, Jim 2044 ENG1.0010.654026.00 
  Neat, Ken P 2262 ENG1.0010.874034.80 
  Arnott, Jonathan W c2080 ENG0.5010.19407.60 
  Dauber, Stephen W 2062 ENG0.5010.17406.80 

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)
 

 

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