Individual Calculations April 2009
 Rowe, Duane  Total change: 9.90  Rating chartPersonal card
 Uxbridge Open Uxbridge ENG 2009-02-20
RcRownchangeKK*chgGame
 2112 2199 2.50 3 0.66 15 9.90 
  Adair, James 2074 ENG0.501-0.1715-2.55 
  Tymrakiewicz, Rafal 2260 POL1.0010.58158.70 
  Wells, Daniel J 2002 ENG1.0010.25153.75 

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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