Individual Calculations April 2009
 Jacob, Volker  Total change: -2.55  Rating chartPersonal card
 2.Pfalz Open Neustadt a.d. Weinstrasse GER 2009-02-15
 2204 2267 4.50 8 -0.17 15 -2.55 
  Voss, Chantal 1917 GER1.0010.11151.65 
  Yemelin, Vasily g2578 RUS0.5010.36155.40 
  Stips, Felix 2152 ITA0.501-0.1615-2.40 
  Mueller, Markus 2133 GER0.501-0.1815-2.70 
  Klamp, Christoph 2096 GER0.501-0.2315-3.45 
  Stock, Andreas 2158 GER0.501-0.1515-2.25 
  Senk, Christian 2146 GER1.0010.34155.10 
  Chernov, Vadim m2455 ROU0.001-0.2615-3.90 

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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