Individual Calculations January 2009
 Stefkovic, Martin  Total change: -12.15  Rating chartPersonal card
 19.Internationales Gocher Open Goch GER 2008-10-09
RcRownchangeKK*chgGame
 2051 2005 0.50 3 -0.81 15 -12.15 
  Prenzler, Daniel 2180 GER0.5010.23153.45 
  Montignies, Rainer 2176 GER0.001-0.2715-4.05 
  Der, Josef 1796 GER0.001-0.7715-11.55 

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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