Individual Calculations September 2013
 Collins, Richard A  Total change: 2.40  Rating chartPersonal card
 7th LEYLAND CHESS CONGRESS LEYLAND ENG 2013-08-24
RcRownchangeKK*chgGame
 2019 1802 1.00 4 0.08 30 2.40 
  Rabbitte, Dominic M 2027 ENG0.001-0.2230-6.60 
  Taylor, Mark 1909 ENG0.5010.15304.50 
  Peacock, Malcolm R 2119 ENG0.001-0.1330-3.90 
  Taylor, Robert K 2019 ENG0.5010.28308.40 

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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