Individual Calculations April 2009
 Habershon, Paul F  Total change: -8.75  Rating chartPersonal card
 4NCL part 2 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2177 2120 0.50 2 -0.35 25 -8.75 
  Tymrakiewicz, Rafal 2268 POL0.001-0.3025-7.50 
  Baruch, Andrew J D 2085 ENG0.501-0.0525-1.25 

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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