Individual Calculations January 2018
 Xu, Jun  Total change: -5.80  Rating chartPersonal card
 2017 Chinese Chess League Division A (19-22) Guangdong CHN 2017-12-01
RcRownchangeKK*chgGame
 2666 2507 0.00 2 -0.58 10 -5.80 
  Lu, Shanglei g2641 CHN0.001-0.3210-3.20 
  Wang, Yue g2690 CHN0.001-0.2610-2.60 

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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