Individual Calculations October 2008
 Boel, Marcel  Total change: -7.65  Rating chartPersonal card
 Dutch Open Dieren NED 2008-07-21
RcRownchangeKK*chgGame
 2233 2184 3.50 9 -0.51 15 -7.65 
  Nijboer, Friso g2534 NED0.5010.39155.85 
  Wiersma, Eelke m2419 NED0.001-0.2115-3.15 
  Timmermans, Mark 2118 NED1.0010.41156.15 
  Roggeveen, Wouter 2010 NED0.501-0.2315-3.45 
  Kuipers, Stefan f2321 NED0.5010.18152.70 
  Hartoch, Rob m2224 NED0.5010.06150.90 
  Vogel, Jaap f2253 NED0.5010.10151.50 
  Mellema, Andries 2067 NED0.001-0.6615-9.90 
  Theulings, Paul-Peter c2148 NED0.001-0.5515-8.25 

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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