Individual Calculations September 2010
 Williams, Peter A  Total change: -12.60  Rating chartPersonal card
 British Championship Canterbury ENG 2010-07-26
RcRownchangeKK*chgGame
 2121 2145 5.00 11 -0.84 15 -12.60 
  Pleasants, Allan J 2032 WLS0.501-0.1515-2.25 
  McMichael, Richard J c2287 ENG0.5010.19152.85 
  Senior, Gary 2069 ENG0.501-0.1015-1.50 
  Bates, Richard A m2382 ENG0.5010.30154.50 
  Griffiths, Ryan Rhys 2249 IRL0.001-0.3615-5.40 
  Makepeace, Philip J 2074 ENG0.501-0.1015-1.50 
  McCullough, Simon L 2030 ENG0.501-0.1615-2.40 
  Chapman, Terry P D 2251 ENG0.5010.14152.10 
  Galliano, Alexander 2085 ENG0.501-0.0815-1.20 
  Sathyanandha, Saravanan 1986 ENG0.001-0.7115-10.65 
  Tambini, Jasper 1890 ENG1.0010.19152.85 

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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