Individual Calculations September 2013
 Coates, David H  Total change: -9.30  Rating chartPersonal card
 British Championship 2013 Torquay ENG 2013-07-29
RcRownchangeKK*chgGame
 2075 2046 4.00 10 -0.62 15 -9.30 
  Rudd, Jack m2280 ENG0.001-0.2115-3.15 
  Richardson, Alex 2149 ENG1.0010.64159.60 
  Brown, Martin 2203 ENG0.001-0.2915-4.35 
  Homer, Stephen J 2165 ENG0.001-0.3415-5.10 
  Thorpe, Thomas 1875 WLS1.0010.27154.05 
  Howell, Chris I 2055 ENG0.5010.01150.15 
  Murphy, Hugh W 2170 ENG0.001-0.3315-4.95 
  Stewart, Ashley 2053 ENG0.001-0.4915-7.35 
  Wang, Maria 1817 ENG1.0010.21153.15 
  Kirby, Peter J. c1982 GCI0.501-0.0915-1.35 

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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