Individual Calculations July 2009
 Bienhuels, Michael  Total change: -8.85  Rating chartPersonal card
 Oster-Open 2009 Oberhausen GER 2009-04-09
RcRownchangeKK*chgGame
 2012 2057 0.50 2 -0.59 15 -8.85 
  Spenk, Willi 1753 GER0.501-0.3615-5.40 
  Nagel, Bernhard 2271 GER0.001-0.2315-3.45 

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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