Individual Calculations December 2013
 Qin, Ranran  Total change: 4.05  Rating chartPersonal card
 2013 Women's world champion chess championship Zonal 3.5 ZHONGSHAN CHINA CHN 2013-10-28
 2120 2045 4.00 9 0.27 15 4.05 
  Tan, Zhongyi wg2445  * CHN0.001-0.0815-1.20 
  Zhao, Shengxin 1805 CHN1.0010.20153.00 
  Xiao, Yiyi wf2187 CHN0.001-0.3115-4.65 
  Wang, Xinyue 2126 CHN0.001-0.3915-5.85 
  Hu, Yu A. 1861 CHN1.0010.26153.90 
  Wang, Doudou wm2226 CHN0.5010.24153.60 
  Ren, Xiaoyi 2198 CHN0.5010.20153.00 
  Zhai, Mo wm2301 CHN0.001-0.1915-2.85 
  Hong, Xing 1929 CHN1.0010.34155.10 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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