Individual Calculations September 2017
 McKerracher, Douglas  Total change: -20.00  Rating chartPersonal card
 104th British Championships Over 65 Llandudno ENG 2017-07-30
RcRownchangeKK*chgGame
 1930 1930 1.00 4 -1.00 20 -20.00 
  Burnett, Jim 2104 ENG0.001-0.2720-5.40 
  Homolka, Vincent O 1773 ENG1.0010.29205.80 
  Myall, Ivan J 2046 ENG0.001-0.3420-6.80 
  Price, Andrew 1795 ENG0.001-0.6820-13.60 

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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