Individual Calculations January 2009
 Coenen, Siegfried  Total change: -26.85  Rating chartPersonal card
 19.Internationales Gocher Open Goch GER 2008-10-09
RcRownchangeKK*chgGame
 1925 2008 0.00 3 -1.79 15 -26.85 
  Welz, Peter, Dr. f2205 GER0.001-0.2515-3.75 
  Elser, Niklas 1863 GER0.001-0.6915-10.35 
  Reinacher, Detlev 1708 GER0.001-0.8515-12.75 

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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