Individual Calculations January 2011
 Pettersson, Tobias  Total change: 3.60  Rating chartPersonal card
 Bjorkstadsschacket 2010 Umea SWE 2010-11-05
RcRownchangeKK*chgGame
 2076 2127 2.50 4 0.24 15 3.60 
  Olofsson, Henrik 1933 SWE1.0010.25153.75 
  Hammarstrom, Ulf 2134 SWE1.0010.51157.65 
  Isaksson, Henrik 2105 SWE0.501-0.0315-0.45 
  Vaarala, Eric 2133 SWE0.001-0.4915-7.35 

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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