Individual Calculations April 2009
 Willems, Matthias, Prof. Dr.  Total change: 11.40  Rating chartPersonal card
 2.Pfalz Open Neustadt a.d. Weinstrasse GER 2009-02-15
 2127 2038 3.50 7 0.76 15 11.40 
  Hirneise, Tobias f2388 GER0.5010.39155.85 
  Jadrijevic, Ante 2257 CRO0.001-0.2215-3.30 
  Lambert, Andreas 2224 GER0.001-0.2615-3.90 
  Kreiter, Thomas 1787 GER0.001-0.8115-12.15 
  Kuehnast, Volker 1855 GER1.0010.26153.90 
  Dietzsch, Herbert 2197 GER1.0010.711510.65 
  Schaefer, Michael 2183 GER1.0010.691510.35 

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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