Individual Calculations January 2009
 Van Der Leest, Bert  Total change: -29.85  Rating chartPersonal card
 Essent Open Hoogeveen NED 2008-10-17
RcRownchangeKK*chgGame
 2207 2146 1.00 7 -1.99 15 -29.85 
  Robson, Ray m2466 USA0.001-0.1315-1.95 
  Prasanna, Rao f2310 IND0.001-0.2815-4.20 
  Cako, Laszlo 2234 NED0.001-0.3815-5.70 
  Potze, Rudolf 2105 NED1.0010.44156.60 
  Mellema, Andries 2097 NED0.001-0.5715-8.55 
  Colijn, Stefan 2118 NED0.001-0.5415-8.10 
  Galje, Hans 2121 NED0.001-0.5315-7.95 

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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