Individual Calculations May 2019
 Van Kemenade, Rudy  Total change: 6.00  Rating chartPersonal card
 2018/19 4NCL Div 3 South Rounds 7 - 8 Daventry ENG 2019-04-13
RcRownchangeKK*chgGame
 1918 1925 1.50 2 0.48 20 9.60 
  Finn, Thomas 1759 ENG1.0010.28205.60 
  Richmond, Jane wf2077 WLS0.5010.20204.00 

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)
 
 2019 Welsh Championships Cardiff WLS 2019-04-19
RcRownchangeKK*chgGame
 1959 1925 3.50 7 0.32 20 6.40 
  Jameson, David 2081 WLS0.5010.21204.20 
  Young, Alan 2021 WLS1.0010.632012.60 
  Camp, Imogen A L wc1827 WLS0.001-0.6320-12.60 
  Pleasants, Allan J 2075 WLS0.001-0.3020-6.00 
  Turner, Joseph David 1846 WLS0.501-0.1120-2.20 
  Guha, Chirag 1941 WLS1.0010.522010.40 
  Davis, Lee 1922 WLS0.5010.00200.00 

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)
 
 Welsh Chess Premier League 2018/2019 Round 5 Neath WLS 2019-04-28
RcRownchangeKK*chgGame
 1927 1925 0.00 1 -0.50 20 -10.00 
  Perrett, David C 1927 WLS0.001-0.5020-10.00 

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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