Individual Calculations January 2009
 Cutmore, David A  Total change: -7.65  Rating chartPersonal card
 Milton Keynes Open Milton Keynes ENG 2008-11-14
RcRownchangeKK*chgGame
 2029 2033 0.50 2 -0.51 15 -7.65 
  Wells, Daniel J 2012 ENG0.501-0.0315-0.45 
  Jackson, James P 2046 ENG0.001-0.4815-7.20 

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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