Individual Calculations July 2009
 Xu, Jun  Total change: -13.10  Rating chartPersonal card
 2009 Men's Zonal Tournamant Beijing CHINA CHN 2009-04-17
RcRownchangeKK*chgGame
 2545 2498 3.50 11 -1.31 10 -13.10 
  Yu, Yangyi 2433 CHN1.0010.41104.10 
  Ding, Liren 2458 CHN0.001-0.5610-5.60 
  Zhao, Jun g2560 CHN0.001-0.4110-4.10 
  Xiu, Deshun 2422 CHN0.501-0.1010-1.00 
  Zhou, Jianchao g2635 CHN0.001-0.3210-3.20 
  Li, Chao B g2643 CHN1.0010.69106.90 
  Li, Shilong g2557 CHN0.5010.08100.80 
  Wang, Hao g2696 CHN0.001-0.2410-2.40 
  Gao, Rui 2500 CHN0.001-0.5010-5.00 
  Wen, Yang g2532 CHN0.001-0.4510-4.50 
  Zhou, Weiqi g2563 CHN0.5010.09100.90 

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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