Individual Calculations August 2017
 Blackburn, Jonathan L B  Total change: -11.20  Rating chartPersonal card
 2nd North Wales Fide Open Llandudno WLS 2017-06-30
RcRownchangeKK*chgGame
 2033 2200 3.00 5 -0.56 20 -11.20 
  Bryant, Richard B E 1976 ENG0.501-0.2820-5.60 
  Cooke, Suzie G. wf1957 WLS1.0010.20204.00 
  McLaughlin, Noel S 1996 IRL1.0010.24204.80 
  Jackson, Oliver A f2169 ENG0.001-0.5420-10.80 
  Crocker, Philip J 2068 ENG0.501-0.1820-3.60 

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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