Individual Calculations November 2022
 Alahakoon, Isuru  Total change: -1.80  Rating chartPersonal card
 Negombo International Chess Festival 2022 Negombo SRI 2022-10-20
RcRownchangeKK*chgGame
 1593 1986 7.00 8 -0.09 20 -1.80 
  Kalupahana, Hirun Harendra 1586  * SRI1.0010.08201.60 
  Pathmasiri, R D Isuru Saranga 1306 SRI1.0010.01200.20 
  Jayaweera, Hashan 1392 SRI1.0010.02200.40 
  Deshappriya, D Kalindu 1573 SRI1.0010.07201.40 
  Jayaweera, Y 1697 SRI0.501-0.3420-6.80 
  Sivathanujan, S 1747 SRI1.0010.20204.00 
  Wijekoon, Chandana c1796 SRI0.501-0.2520-5.00 
  Lakshitha, H H Sasindu 1643 SRI1.0010.12202.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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