Individual Calculations May 2019
 Ponnamperuma, Weraka Vasath  Total change: 19.60  Rating chartPersonal card
 Asian Youth Chess Championship 2019 - Under 14 Open Colombo SRI 2019-04-04
RcRownchangeKK*chgGame
 1549 1494 4.50 9 0.49 40 19.60 
  Tran, Dang Minh Quang c1894  * VIE0.001-0.0840-3.20 
  Liang, Jingcheng 1195 CHN1.0010.15406.00 
  Ramanayaka, Y R P M 1296 SRI0.001-0.7640-30.40 
  Nabil Nazar, Mohamed 1377 SRI1.0010.344013.60 
  Lee, Care Greene 1835 MAS1.0010.884035.20 
  Khalifah, Khaled c1711 UAE0.001-0.2240-8.80 
  Mathes Arachchi, Bhanila M 1531 SRI0.5010.05402.00 
  Adireddy, Tarun 1718 IND0.001-0.2240-8.80 
  Morais, Sanithu Leander Pamudith 1381 SRI1.0010.354014.00 
 * 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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