Individual Calculations March 2010
 Sturm, Pieter  Total change: 1.75  Rating chartPersonal card
 Corus Chess Tournament - Dag 3B Wijk aan Zee NED 2010-01-18
RcRownchangeKK*chgGame
 1973 2083 2.00 3 0.07 25 1.75 
  Landsbergen, Ron 2038 NED0.001-0.5625-14.00 
  Walthaus, Cees 1854 NED1.0010.21255.25 
  Hiemstra, Jan 2028 NED1.0010.422510.50 

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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