Individual Calculations October 2008
 Gunaydin, Ibrahim  Total change: -31.00  Rating chartPersonal card
 2007-2008 Turkish Is Bank Chess Leauge Izmit TUR 2008-06-24
RcRownchangeKK*chgGame
 1968 1943 1.50 6 -1.24 25 -31.00 
  Ertan, Can 2172 TUR0.001-0.2125-5.25 
  Sirin, Atakan 2107 TUR0.001-0.2825-7.00 
  Deruni, Berc 2015 TUR0.5010.10252.50 
  Berkman, Cem 1593 TUR1.0010.11252.75 
  Kilicbay, Mustafa 1937 TUR0.001-0.5125-12.75 
  Ozenmis, Nevzat 1981 TUR0.001-0.4525-11.25 

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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