Individual Calculations March 2010
 Van Wonderen, Piet  Total change: 20.40  Rating chartPersonal card
 Corus Chess Tournament - Tien 3C Wijk aan Zee NED 2010-01-22
RcRownchangeKK*chgGame
 2019 1985 5.00 8 1.36 15 20.40 
  Veenhuijsen, Rob 1965 NED0.501-0.0315-0.45 
  Van Manen, Leonardo 2034 NED1.0010.57158.55 
  Oosterlaken, Ed 2002 NED0.5010.02150.30 
  Roufs, Gerard 1964 NED0.001-0.5315-7.95 
  Tromp, Paul 2120 NED0.5010.18152.70 
  Veldhuysen, Klaas 2000 NED1.0010.52157.80 
  Ebels, Theo 2089 NED0.5010.14152.10 
  Van Tooren, Erik 1978 NED1.0010.49157.35 

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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