Individual Calculations February 2015
 Speelman, Jon S  Total change: 4.90  Rating chartPersonal card
 4NCL 2014-15 Rounds 3-4 Various ENG 2015-01-10
RcRownchangeKK*chgGame
 2498 2501 1.50 2 0.49 10 4.90 
  Gormally, Daniel W g2497 ENG0.501-0.0110-0.10 
  Hebden, Mark g2498 ENG1.0010.50105.00 

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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