Individual Calculations April 2009
 Punnett, Alan K  Total change: 0.75  Rating chartPersonal card
 4NCL part 2 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2121 2102 1.00 2 0.05 15 0.75 
  Richter, Hans S 2138 CHI0.5010.05150.75 
  Djabri, Zafer M 2103 WLS0.5010.00150.00 

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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