Individual Calculations April 2009
 Costea, Valerius  Total change: -16.65  Rating chartPersonal card
 2.Pfalz Open Neustadt a.d. Weinstrasse GER 2009-02-15
 2075 2005 1.00 5 -1.11 15 -16.65 
  Klundt, Klaus m2355 GER0.001-0.1115-1.65 
  Lacrosse, Marc f2192 BEL0.001-0.2615-3.90 
  Villwock, Martin 2260 GER0.001-0.1915-2.85 
  Siegel, Rainer 1738 GER0.001-0.8215-12.30 
  Novak, Josua 1829 GER1.0010.27154.05 

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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