Individual Calculations March 2012
 Sigurdsson, Jakob Saevar  Total change: -3.60  Rating chartPersonal card
 Skakthing Akureyrar 2012 Akureyri ISL 2012-01-22
RcRownchangeKK*chgGame
 1638 1766 4.00 7 -0.48 15 -7.20 
  Thorhallsson, Simon 1500 ISL1.0010.18152.70 
  Jonsson, Hjortur Snaer 1410 ISL1.0010.11151.65 
  Magnusson, Jon 1366  * ISL1.0010.08151.20 
  Thorgeirsson, Jon Kristinn 1712 ISL0.501-0.0815-1.20 
  Bjorgvinsson, Andri Freyr 1520 ISL0.501-0.3115-4.65 
  Halldorsson, Hjorleifur 1952 ISL0.001-0.2615-3.90 
  Olafsson, Smari 2003 ISL0.001-0.2015-3.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 Skakthing Godans 2012 Husavik ISL 2012-02-17
RcRownchangeKK*chgGame
 1952 1766 0.50 1 0.24 15 3.60 
  Halldorsson, Hjorleifur 1952 ISL0.5010.24153.60 

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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