Individual Calculations September 2009
 Friedrich, Norbert  Total change: -26.70  Rating chartPersonal card
 Jubilee Open Master 2009 Zurich SUI 2009-08-09
 2228 2350 3.50 8 -1.78 15 -26.70 
  Cavaletto, Massimo 2093 SUI0.501-0.3215-4.80 
  Malakhatko, Vadim g2570 BEL0.001-0.2215-3.30 
  Delorme, Laurie 2152 FRA0.001-0.7615-11.40 
  Wittenberg, Andreas 2129 GER1.0010.22153.30 
  Zak, Uri 2243 ISR0.501-0.1515-2.25 
  Martinsen, Stig K 2194 NOR1.0010.29154.35 
  Schleicher, Guido 2245 GER0.501-0.1415-2.10 
  Garcia, Lopez Miguel Angel 2198 ESP0.001-0.7015-10.50 

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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