Individual Calculations March 2010
 Beltman, Guus  Total change: 21.50  Rating chartPersonal card
 Corus Chess Tournament - Weekend 4F Wijk aan Zee NED 2010-01-15
RcRownchangeKK*chgGame
 1901 1763 1.50 2 0.86 25 21.50 
  Weverling, Ferry 1852 NED1.0010.622515.50 
  Jostmeijer, Erik 1949 NED0.5010.24256.00 

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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