Individual Calculations May 2010
 Zhang, Xiaowen  Total change: -11.10  Rating chartPersonal card
 2009 Torch Real Estate Cup China Chess League Rounds 15-18 Yantai China CHN 2009-12-11
RcRownchangeKK*chgGame
 2305 2422 1.50 4 -1.11 10 -11.10 
  Tan, Zhongyi wg2460 CHN0.001-0.4510-4.50 
  Gong, Qianyun wm2247 CHN0.501-0.2310-2.30 
  Zhou, Min 2195 CHN1.0010.21102.10 
  Ding, Yixin wf2317 CHN0.001-0.6410-6.40 

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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