Individual Calculations September 2009
 Van Diermen, Arie  Total change: -9.25  Rating chartPersonal card
 International Open Chess Tournament "Rethymno 2009" Rethymno GRE 2009-07-12
 2186 1980 1.00 5 -0.37 25 -9.25 
  Konguvel, Ponnuswamy m2380  * IND0.001-0.0825-2.00 
  Brinck-Claussen, Bjorn m2314 DEN0.001-0.1225-3.00 
  Mourtzouni, Maria 1716 GRE0.501-0.3225-8.00 
  Van Wessel, Rudy f2344 NED0.001-0.1025-2.50 
  Pountzas, Hrisanthos f2177 GRE0.5010.25256.25 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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