Individual Calculations September 2019
 Sun, Chao  Total change: -21.20  Rating chartPersonal card
 2019 Belt and Road China Hunan International Chess Open Category B Chang Sha , China CHN 2019-07-28
RcRownchangeKK*chgGame
 2132 2130 4.00 9 -0.53 40 -21.20 
  Gong, Qianyun wg2370 SGP0.5010.304012.00 
  Fan, Huifeng 2250 CHN0.5010.16406.40 
  Chen, Fan f2378 CHN0.001-0.1940-7.60 
  Amilal, Munkhdalai 2029 MGL0.001-0.6440-25.60 
  Du, Yuxin 2015 CHN0.501-0.1640-6.40 
  Janchivnyambuu, Enkhbayar 2039 USA1.0010.384015.20 
  Wang, Zideng c2018 CHN0.501-0.1540-6.00 
  Jiang, Qinyu 2067 CHN0.501-0.0940-3.60 
  Zhang, Di 2026 CHN0.501-0.1440-5.60 

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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