Individual Calculations April 2009
 Helbig, Mark  Total change: 4.95  Rating chartPersonal card
 2.Pfalz Open Neustadt a.d. Weinstrasse GER 2009-02-15
 2260 2332 5.00 8 0.33 15 4.95 
  Haase, Holger 1988 GER1.0010.12151.80 
  Hager, Joshua Aarash 2152 GER0.501-0.2415-3.60 
  Hoffmann, Michael m2474 GER0.5010.19152.85 
  Vavrak, Peter m2489 SVK0.5010.21153.15 
  Mamedov, Nidjat g2607 AZE0.001-0.1715-2.55 
  Kuci, Blerim 2188 GER1.0010.31154.65 
  Busch, Lorenz 2119 GER0.501-0.2715-4.05 
  Altmann, Jens 2066 GER1.0010.18152.70 

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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