Individual Calculations May 2015
 Eriksson, Bo 1937  Total change: -18.60  Rating chartPersonal card
 Stockholmsmasterskapet 2015 feb Stockholm SWE 2015-03-02
RcRownchangeKK*chgGame
 1902 1780 0.50 4 -0.93 20 -18.60 
  Nordstrom, Felix f2091 SWE0.001-0.1420-2.80 
  Bergstrom, Goran 1695 SWE0.501-0.1220-2.40 
  Verendel, Jan 2008 SWE0.001-0.2120-4.20 
  Arbeus, Carl-Johan 1812 SWE0.001-0.4620-9.20 

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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