Individual Calculations August 2012
 Hilton, Tim  Total change: -15.60  Rating chartPersonal card
 e2e4 Buxton Major Buxton ENG 2012-06-29
RcRownchangeKK*chgGame
 1735 1742 0.50 2 -0.52 30 -15.60 
  Homer, Neil S 1603 ENG0.001-0.6930-20.70 
  Norman, Dinah M wc1866 ENG0.5010.17305.10 

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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