Individual Calculations September 2013
 Littlejohns, David P  Total change: -3.75  Rating chartPersonal card
 British Championship 5-day Open AM Week 2 Torquay ENG 2013-08-05
RcRownchangeKK*chgGame
 1972 2035 1.50 3 -0.25 15 -3.75 
  Moan, Francis E 1890 ENG1.0010.31154.65 
  Regis, David 2056 ENG0.5010.03150.45 
  Bryant, Richard Be 1969 ENG0.001-0.5915-8.85 

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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