Individual Calculations April 2009
 Van Dam, Jtm  Total change: 12.25  Rating chartPersonal card
 4E - Corus Chess Tournament - Tienkampen Wijk aan Zee NED 2009-01-23
RcRownchangeKK*chgGame
 1911 1805 3.00 7 0.49 25 12.25 
  Veerman, Jan 1947 NED0.5010.19254.75 
  Van Meggelen, Abraham 1864 NED0.5010.08252.00 
  De Vos, Willem 1902 NED0.5010.13253.25 
  Adriaanse, Tom 1975 NED0.5010.22255.50 
  Hartgers, Leendert 1885 NED0.5010.11252.75 
  Roufs, Gerard 1932 NED0.001-0.3325-8.25 
  Gattuso, Christophe 1871 FRA0.5010.09252.25 

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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