Individual Calculations May 2017
 Ruan, Zhicheng  Total change: 34.80  Rating chartPersonal card
 17th Bangkok Chess Club Challenger 2017 Cha-Am THA 2017-04-10
RcRownchangeKK*chgGame
 1997 1707 1.50 4 0.87 40 34.80 
  Pleininger, Rudolf 1966 SUI1.0010.824032.80 
  Yang, Shibin 2001 CHN0.001-0.1540-6.00 
  Sellmair, Reinhard 1971 GER0.5010.324012.80 
  Duong, Thuong Cong 2048 VIE0.001-0.1240-4.80 

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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