Individual Calculations January 2009
 Puhtila, Marko  Total change: 4.25  Rating chartPersonal card
 Finnish League 2008-2009 Round 5 Various FIN 2008-11-08
RcRownchangeKK*chgGame
 2197 2071 0.50 1 0.17 25 4.25 
  Vainio, Ville 2197 FIN0.5010.17254.25 

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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