Individual Calculations March 2010
 Vreeburg, Jan  Total change: 3.90  Rating chartPersonal card
 Corus Chess Tournament - Weekend 3H Wijk aan Zee NED 2010-01-15
RcRownchangeKK*chgGame
 2045 1949 1.00 2 0.26 15 3.90 
  Brookes, Christopher 2007 NED0.001-0.4215-6.30 
  Tissink, Arjan 2083 NED1.0010.681510.20 

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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