Individual Calculations January 2009
 Zhang, Xiaopeng  Total change: 15.75  Rating chartPersonal card
 2008 Men's China Championship Group B Zhengzhou CHN 2008-08-01
RcRownchangeKK*chgGame
 2402 2069 1.00 3 0.63 25 15.75 
  Wang, Rui m2419 CHN0.5010.39259.75 
  Wu, Wenjin g2419 CHN0.5010.39259.75 
  Wu, Xibin f2367 CHN0.001-0.1525-3.75 

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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