Individual Calculations July 2009
 Webb, Richard M  Total change: -7.65  Rating chartPersonal card
 4NCL part 3 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2159 2259 2.00 4 -0.51 15 -7.65 
  Arnott, Jonathan W 2127 ENG0.501-0.1815-2.70 
  Richter, Hans S 2138 CHI0.501-0.1615-2.40 
  Jones, William E G 2010 ENG0.501-0.3115-4.65 
  Crouch, Colin S m2359 ENG0.5010.14152.10 

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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