Individual Calculations January 2011
 Xiu, Deshun  Total change: -5.70  Rating chartPersonal card
 Younger Chinese Chess League Division A round16-18 Beijing,China CHN 2010-11-02
 2620 2514 0.50 3 -0.57 10 -5.70 
  Zhang, Pengxiang g2577 CHN0.5010.09100.90 
  Bu, Xiangzhi g2680 CHN0.001-0.2810-2.80 
  Ding, Liren g2604 CHN0.001-0.3810-3.80 

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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