Individual Calculations April 2009
 Pracht, Hans-Dieter  Total change: -21.15  Rating chartPersonal card
 2.Pfalz Open Neustadt a.d. Weinstrasse GER 2009-02-15
 2123 2040 1.00 6 -1.41 15 -21.15 
  Klenburg, Mikhail m2390 UKR0.001-0.1115-1.65 
  Dushatskiy, Fedor 2199 GER0.001-0.2915-4.35 
  Fecht, Hans-Peter 2206 GER0.001-0.2815-4.20 
  Schaefer, Daniela 1856 GER0.501-0.2415-3.60 
  Vinke, Andreas 2207 GER0.001-0.2815-4.20 
  Auschkalnis, Reinhard 1881 GER0.501-0.2115-3.15 

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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