Individual Calculations April 2013
 Petursson, Gudni  Total change: 6.00  Rating chartPersonal card
 Icelandic Team Championship 2012-13 Div. 1 round 5-7 Reykjavik ISL 2013-03-01
RcRownchangeKK*chgGame
 2356 2099 1.00 3 0.40 15 6.00 
  Bjornsson, Sigurbjorn f2401 ISL0.001-0.1515-2.25 
  Karason, Askell O 2226 ISL0.5010.17152.55 
  Kjartansson, Gudmundur m2440 ISL0.5010.38155.70 

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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