Individual Calculations September 2019
 Nguyen, Ngoc Truong Son  Total change: 6.90  Rating chartPersonal card
 2019 Belt and Road China Hunan International Chess Open (Category A) Chang Sha , China CHN 2019-07-28
 2608 2636 5.50 9 0.69 10 6.90 
  Zhu, Jiner wm2454 CHN1.0010.26102.60 
  Zhao, Chenxi 2400 CHN1.0010.20102.00 
  Ganguly, Surya Shekhar g2638 IND0.5010.00100.00 
  Vallejo Pons, Francisco g2687 ESP0.5010.07100.70 
  Wang, Hao g2725 CHN0.001-0.3810-3.80 
  Li, Di g2523 CHN1.0010.35103.50 
  Matlakov, Maxim g2701 RUS0.5010.09100.90 
  Wei, Yi g2737 CHN0.5010.14101.40 
  Zhou, Jianchao g2608 CHN0.501-0.0410-0.40 

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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