Individual Calculations September 2009
 Van Rijn, Wouter  Total change: 7.65  Rating chartPersonal card
 20th NATO Chess Championship Hammelburg GER 2009-06-15
RcRownchangeKK*chgGame
 2168 2161 3.50 6 0.51 15 7.65 
  Adkins, James 2015 USA0.501-0.2015-3.00 
  Erhan, Ersin 1928 TUR1.0010.21153.15 
  Drabke, Lorenz m2469 GER0.5010.36155.40 
  Vaznonis, Vytautas m2338 LTU0.001-0.2715-4.05 
  Gooris, Jan 2132 BEL0.501-0.0415-0.60 
  Serralta, Michel 2125 FRA1.0010.45156.75 

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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