Individual Calculations September 2011
 Mason, Donald J  Total change: -9.75  Rating chartPersonal card
 British Championship 2011 Sheffield ENG 2011-07-25
RcRownchangeKK*chgGame
 2159 2237 6.00 11 -0.65 15 -9.75 
  Wells, Peter K g2489 ENG0.5010.31154.65 
  Yap, Jinwei Abel 2029 MAS0.501-0.2715-4.05 
  Brown, Martin 2130 ENG0.001-0.6515-9.75 
  Pleasants, Allan J 2092 WLS0.501-0.1915-2.85 
  McKenna, Jason P 2098 ENG1.0010.31154.65 
  Gregory, Stephen J 2109 ENG0.501-0.1715-2.55 
  Jones, Victor G L 2153 ENG0.001-0.6215-9.30 
  Magee, Ronan 1953 IRL1.0010.16152.40 
  Kemp, Paul R 2114 ENG0.501-0.1715-2.55 
  Jenks, C Bruce 2146 ENG1.0010.38155.70 
  Hunt, Adam C m2436 ENG0.5010.26153.90 

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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