Individual Calculations January 2018
 Sivuk, Vitaly  Total change: -9.60  Rating chartPersonal card
 'The Belt and Road'2017 Hainan Chess Open Sanya CHN 2017-12-16
 2477 2560 4.50 9 -0.96 10 -9.60 
  Chen, Qi B 2346 CHN1.0010.23102.30 
  Nie, Xinyang 2277 CHN1.0010.16101.60 
  Bai, Jinshi g2556 CHN0.501-0.0110-0.10 
  Batchuluun, Tsegmed g2568 MGL0.5010.01100.10 
  Wen, Yang g2605 CHN0.001-0.4410-4.40 
  Peng, Xiongjian 2410 CHN0.501-0.2010-2.00 
  Zhu, Yi f2422 CHN1.0010.31103.10 
  Sandipan, Chanda g2566 IND0.001-0.4910-4.90 
  Xu, Yinglun g2539 CHN0.001-0.5310-5.30 

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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