Individual Calculations May 2012
 Kottenhoff, Roland  Total change: -28.20  Rating chartPersonal card
 28.ChessOrg Schachfestival Open Bad Woerishofen GER 2012-03-02
 2085 2166 1.50 4 -0.94 30 -28.20 
  Bigott, Martin 1876 GER1.0010.16304.80 
  Levin, Felix g2500 GER0.001-0.1230-3.60 
  Strasser, Josef 1954 GER0.501-0.2730-8.10 
  Ellinger, Peter 2009 GER0.001-0.7130-21.30 

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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