Individual Calculations July 2012
 Williams, Samuel G  Total change: 19.05  Rating chartPersonal card
 4NCL Various ENG 2011-11-12
RcRownchangeKK*chgGame
 2199 2234 4.00 5 1.27 15 19.05 
  Dishman, Stephen 2333 ENG0.5010.14152.10 
  Spice, Alan P 2125 WLS1.0010.35155.25 
  Spivack, Simon Sy 2175 ENG0.501-0.0815-1.20 
  Birtwistle, Nigel 2173 ENG1.0010.42156.30 
  Arnott, Jonathan W c2191 ENG1.0010.44156.60 

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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