Individual Calculations April 2009
 Cox, John J  Total change: 3.40  Rating chartPersonal card
 4NCL part 2 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2319 2381 1.50 2 0.34 10 3.40 
  Pickard, Charles 2199 ENG1.0010.26102.60 
  Cherniaev, Alexander g2438 RUS0.5010.08100.80 

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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