Individual Calculations July 2009
 Schaefer, Ronald, Dr.  Total change: -22.75  Rating chartPersonal card
 Wuerttemberg Verbandsliga Nord Wuerttemberg GER 2008-09-28
RcRownchangeKK*chgGame
 2164 2241 1.50 4 -0.91 25 -22.75 
  Carstens, Andreas f2211 GER0.001-0.5425-13.50 
  Flachsbart, Alexander 2071 GER0.501-0.2225-5.50 
  Baerner, Helmut 2154 AUT1.0010.38259.50 
  Schuh, Karsten 2220 GER0.001-0.5325-13.25 

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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