Individual Calculations January 2009
 Lou, Yiping  Total change: 18.15  Rating chartPersonal card
 2008 Men's China Championship Group B Zhengzhou CHN 2008-08-01
RcRownchangeKK*chgGame
 2389 2365 4.00 6 1.21 15 18.15 
  Robson, Ray m2441 USA0.5010.10151.50 
  Liu, Qingnan 2439 CHN0.5010.10151.50 
  Wan, Yunguo 2471 CHN0.5010.14152.10 
  Liu, Guanchu 2119 CHN1.0010.19152.85 
  Wang, Rui m2420 CHN0.5010.08151.20 
  Zhang, Ziyang 2441 CHN1.0010.60159.00 

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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