Individual Calculations April 2008
 Rabbitte, Michael J  Total change: 46.25  Rating chartPersonal card
 London Christmas Open Harrow ENG 2007-12-28
RcRownchangeKK*chgGame
 2028 1917 2.50 5 0.72 25 18.00 
  Kennedy, Craig 2037 ENG0.5010.16254.00 
  Clegg, Chris R A 2007 ENG0.5010.12253.00 
  Warman, Simon M 2135 ENG1.0010.782519.50 
  Ynojosa, Felix Jose 2085 ENG0.001-0.2825-7.00 
  Basham, Edward P 1876 ENG0.501-0.0625-1.50 

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)
 
 Lancashire Premier Open Blackpool ENG 2008-03-07
RcRownchangeKK*chgGame
 2147 1917 2.00 4 1.13 25 28.25 
  Allen, Keith 2227 IRL0.5010.36259.00 
  Salem, Ihab 2189 PLE0.001-0.1725-4.25 
  Mycroft, Richard 2143 ENG0.5010.29257.25 
  Van Kemenade, Rudy 2029 WLS1.0010.652516.25 

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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