Individual Calculations November 2019
 Li, Joy Ching  Total change: -36.80  Rating chartPersonal card
 Hong Kong Open 2019 Hong Kong HKG 2019-09-02
 1266 1247 0.50 3 -0.92 40 -36.80 
  Lam, Chun Yung Samuel 1283 HKG0.001-0.4540-18.00 
  Li, Shing Hei 1235 HKG0.501-0.0240-0.80 
  Mahadevan, Aravind 1281 HKG0.001-0.4540-18.00 

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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