Individual Calculations January 2009
 Valentine, Brian J  Total change: 2.25  Rating chartPersonal card
 4NCL part 1 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2036 1995 1.50 3 0.15 15 2.25 
  Gibson, Christopher A 1951 ENG0.001-0.5615-8.40 
  Sugden, John N 2173 ENG0.5010.23153.45 
  Twitchell, Neville H 1983 ENG1.0010.48157.20 

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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