Individual Calculations November 2022
 Perera, K C D  Total change: -4.80  Rating chartPersonal card
 Sri Lanka Junior National Chess Championship 2022 Kandy SRI 2022-09-09
RcRownchangeKK*chgGame
 1428 1173 0.00 2 -0.37 40 -14.80 
  Hewage, Dinupa Adithya 1422 SRI0.001-0.1940-7.60 
  Amarathunga, Kosala Sandeepa Cham 1434 SRI0.001-0.1840-7.20 

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)
 
 Negombo International Chess Festival 2022 Negombo SRI 2022-10-20
RcRownchangeKK*chgGame
 1427 1173 1.00 4 0.25 40 10.00 
  Chandrasiri, P K 1420 SRI0.5010.314012.40 
  Rathnayake, R M Dulinma Hemalni 1405 SRI0.001-0.2140-8.40 
  Ranasinghe, R A Malindu Bhathiya 1460 SRI0.001-0.1640-6.40 
  Hewage, Dinupa Adithya 1422 SRI0.5010.314012.40 

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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