Individual Calculations April 2009
 Wahedi, Ahmad Siar  Total change: -0.30  Rating chartPersonal card
 2.Pfalz Open Neustadt a.d. Weinstrasse GER 2009-02-15
 2228 2272 5.00 9 -0.02 15 -0.30 
  Frantzke, Helmut 1922 GER1.0010.11151.65 
  Borovikov, Vladislav g2582 UKR0.001-0.1415-2.10 
  Krauss, Josef 2094 GER0.501-0.2315-3.45 
  Simon, Roland 2100 GER0.501-0.2315-3.45 
  Bohne, Lutz 2116 GER1.0010.29154.35 
  Mueller, Markus 2133 GER1.0010.31154.65 
  Stern, Rene m2492 GER0.001-0.2215-3.30 
  Peschel, Andreas 2152 GER1.0010.34155.10 
  Podgaets, Mikhail m2465 UKR0.001-0.2515-3.75 

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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