Individual Calculations April 2009
 Smith, Andrew P  Total change: -7.50  Rating chartPersonal card
 4NCL part 2 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2192 2191 0.50 2 -0.50 15 -7.50 
  Webb, Richard M f2259 ENG0.001-0.4115-6.15 
  Shaw, Peter 2124 ENG0.501-0.0915-1.35 

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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