Individual Calculations April 2008
 Bolhuis, Ridens  Total change: 10.05  Rating chartPersonal card
 Corus Chess 2008 - Tienkamp 3H Wijk aan Zee NED 2008-01-18
RcRownchangeKK*chgGame
 2018 2085 6.00 9 0.67 15 10.05 
  Spoden, Kurt 1930 GER1.0010.29154.35 
  Huijzer, Jacques 2045 NED0.501-0.0615-0.90 
  Van, Lankveld, Wil 2010 NED0.001-0.6015-9.00 
  Cerasi, Umberto 2008 ITA1.0010.39155.85 
  Rost Van Tonningen, Otto 2061 NED1.0010.47157.05 
  Noordhoek, Henk 2115 NED0.5010.04150.60 
  Van Den Bergh, Ben 2019 NED0.001-0.5915-8.85 
  Coerts, Marten 2025 NED1.0010.42156.30 
  Westerman, Hendrik W. 1946 NED1.0010.31154.65 

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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