Individual Calculations July 2018
 De Coverly, Roger D  Total change: -19.20  Rating chartPersonal card
 3rd North Wales Fide Open Llandudno WLS 2018-06-22
RcRownchangeKK*chgGame
 1943 1939 1.50 5 -0.96 20 -19.20 
  Jameson, David 2064 WLS0.001-0.3320-6.60 
  Whitehead, Mark A 1913 ENG1.0010.46209.20 
  Krupenko, Peter 1716 SLO0.501-0.2820-5.60 
  Hayward, Philip 1915 ENG0.001-0.5320-10.60 
  Crocker, Philip J 2109 ENG0.001-0.2820-5.60 

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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