Individual Calculations March 2020
 Duggan, Michael Fg  Total change: -27.80  Rating chartPersonal card
 2019/20 4NCL Div 3 South Rounds 5 - 6 Maidenhead ENG 2020-02-08
RcRownchangeKK*chgGame
 2113 2034 0.50 2 -0.29 20 -5.80 
  Webb, Richard M f2214 ENG0.001-0.2620-5.20 
  Pozimski, Szymon 2011 POL0.501-0.0320-0.60 

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)
 
 Bristol Winter Congress & 88th Bristol League Championship Open Bristol ENG 2020-02-14
RcRownchangeKK*chgGame
 1806 2034 2.00 4 -1.10 20 -22.00 
  Gray, Edward 1820 ENG0.501-0.2720-5.40 
  Szarka, Szilard 1894 HUN0.501-0.1920-3.80 
  Williams, Stephen M 1863 ENG1.0010.27205.40 
  Walker, Max 1647 ENG0.001-0.9120-18.20 

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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