Individual Calculations May 2017
 Zong, Yiwen  Total change: -4.40  Rating chartPersonal card
 15e Open international de Malakoff MALAKOFF FRA 2017-04-08
RcRownchangeKK*chgGame
 1744 1753 4.50 9 -0.11 40 -4.40 
  Shehzad, Alisha 1616 NOR0.501-0.1840-7.20 
  Molet, Asher 1630 FRA0.501-0.1740-6.80 
  Coll, Jean-Michel 1589 FRA1.0010.284011.20 
  Bahtat, Anas 2026 MAR0.001-0.1740-6.80 
  Georgelin, Thierry 1965 FRA0.001-0.2340-9.20 
  Pass, Deborah J wf1925 ENG0.5010.23409.20 
  Nguyen, Clement 1480 FRA1.0010.17406.80 
  Krtolica, Mirko 1446 FRA1.0010.14405.60 
  Farjon, Franck 2019 FRA0.001-0.1840-7.20 

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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