Individual Calculations July 2008
 Zerfass, Otfried  Total change: -25.20  Rating chartPersonal card
 Deutsche Amateurmeisterschaft 0708 B Aalen GER 2008-02-29
RcRownchangeKK*chgGame
 1971 2072 1.50 5 -1.68 15 -25.20 
  Schneider, Guenter 1998 GER1.0010.40156.00 
  Biegel, Thomas 2051 GER0.001-0.5315-7.95 
  Thomanek, Manuel 1931 GER0.001-0.6915-10.35 
  Streiter, Manfred 1952 GER0.001-0.6615-9.90 
  Plattner, Rolf 1922 GER0.501-0.2015-3.00 

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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