Individual Calculations September 2009
 Diril, Isil  Total change: 14.50  Rating chartPersonal card
 2008-2009 Turkish Is Bank Chess League Bursa TUR 2009-02-02
RcRownchangeKK*chgGame
 1786 1541 1.00 2 0.58 25 14.50 
  Gurcan, Aytolun 1681 TUR1.0010.692517.25 
  Danelia, Mariam wm1891 GEO0.001-0.1125-2.75 

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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