Individual Calculations July 2009
 Pettersen, Joar Gullestad  Total change: -0.30  Rating chartPersonal card
 Thailand Open Chess Championship 2009 Pattaya THA 2009-04-01
RcRownchangeKK*chgGame
 1941 2012 3.50 6 -0.02 15 -0.30 
  Zhang, Ziyang 2362 CHN0.001-0.1115-1.65 
  Draup, Hj. Abang Azman 1725 MAS1.0010.16152.40 
  Wiesebach, Wolfgang 1833 GER0.501-0.2315-3.45 
  Le Bris, Louis 1876 FRA1.0010.32154.80 
  Korff, Kim 2185 DEN0.001-0.2715-4.05 
  Chan, Yin Lok Linus 1662 HKG1.0010.11151.65 

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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