Individual Calculations November 2022
 Wickramasinghe, V W A Vinuda Vidm  Total change: 257.20  Rating chartPersonal card
 Sri Lanka Junior National Chess Championship 2022 Kandy SRI 2022-09-09
RcRownchangeKK*chgGame
 1381 1165 3.00 4 2.08 40 83.20 
  Thennakoon, Disara 1430 SRI1.0010.824032.80 
  Sumanathilake, Yonal 1392 SRI0.5010.294011.60 
  Ekanayake, N N B 1301 SRI0.5010.18407.20 
  Ovitigala, Chenitha Mithvidu 1399 SRI1.0010.794031.60 

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
 1522 1165 5.50 7 4.35 40 174.00 
  Rathnayake, R M Dulinma Hemalni 1405 SRI0.5010.304012.00 
  Kulathilake, S M M P 1310 SRI1.0010.694027.60 
  Chandrasiri, P K 1420 SRI1.0010.814032.40 
  Galappaththi, Chinthaka Anuruddh f2007 SRI0.0010.00400.00 
  Peiris, K Bimsara 1317 SRI1.0010.704028.00 
  Gamage, Ovin Vidmal 1519 SRI1.0010.894035.60 
  Madusanka, L D P 1678 SRI1.0010.964038.40 

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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