Individual Calculations April 2009
 Bohne, Lutz  Total change: -4.35  Rating chartPersonal card
 2.Pfalz Open Neustadt a.d. Weinstrasse GER 2009-02-15
 2093 2116 4.50 9 -0.29 15 -4.35 
  Kunin, Vitaly g2466 GER0.001-0.1115-1.65 
  Korn, Thomas 1877 GER1.0010.20153.00 
  Trabert, Bettina wg2306 GER0.001-0.2515-3.75 
  Gelashvili, Vakhtang 1902 GER1.0010.23153.45 
  Wahedi, Ahmad Siar 2272 GER0.001-0.2915-4.35 
  Hennrich, Reinhard 1856 GER1.0010.18152.70 
  Ljubarskij, Juri f2328 GER0.001-0.2315-3.45 
  Bier, Klaus 1929 GER0.501-0.2415-3.60 
  Meier, Peter 1899 GER1.0010.22153.30 

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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