Individual Calculations November 2022
 Premaratne, Sandira Senula  Total change: -12.40  Rating chartPersonal card
 Negombo International Chess Festival 2022 Negombo SRI 2022-10-20
RcRownchangeKK*chgGame
 1388 1018 0.00 3 -0.31 40 -12.40 
  Gunaweera, Geenuka Kavinu 1412 SRI0.001-0.0840-3.20 
  Pathmasiri, R D Isuru Saranga 1306 SRI0.001-0.1640-6.40 
  Tourkine, N 1445 FRA0.001-0.0740-2.80 

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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