Individual Calculations January 2013
 Xiu, Deshun  Total change: -1.00  Rating chartPersonal card
 2012 Chinese Chess League Division A Round 19-22 Sanya,China CHN 2012-12-20
 2609 2531 1.50 4 -0.10 10 -1.00 
  Jakovenko, Dmitry g2741 RUS0.5010.27102.70 
  Ni, Hua g2660 CHN0.5010.17101.70 
  Zeng, Chongsheng m2486 CHN0.001-0.5610-5.60 
  Yu, Ruiyuan g2548 CHN0.5010.02100.20 

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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