Individual Calculations May 2012
 Walshaw, David  Total change: 12.60  Rating chartPersonal card
 e2e4 High Wycombe Intermediate March 2012 High Wycombe ENG 2012-03-16
RcRownchangeKK*chgGame
 1796 1815 2.00 3 0.42 30 12.60 
  Buttell, David 1781 WLS1.0010.453013.50 
  Gibbs, Daniel C 1788 ENG0.501-0.0430-1.20 
  Nettleton, Charlie B 1820 ENG0.5010.01300.30 

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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