Individual Calculations February 2013
 Serdijn, Adinda  Total change: -11.55  Rating chartPersonal card
 Tata Steel Chess Tournament 2013 Weekend 3I Wijk aan Zee NED 2013-01-11
RcRownchangeKK*chgGame
 1967 2068 0.50 2 -0.77 15 -11.55 
  Van Dijk, Olger 2015 NED0.001-0.5715-8.55 
  Moes, Joris 1918 NED0.501-0.2015-3.00 

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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