Individual Calculations May 2017
 Lansakara, Vinuji  Total change: -6.40  Rating chartPersonal card
 Colombo Chess Festival 2017 Colombo SRI 2017-04-06
RcRownchangeKK*chgGame
 1232 1041 1.00 4 -0.01 40 -0.40 
  Ranasinghe, R A Arindu Himeth 1280 SRI0.001-0.2040-8.00 
  Pathmasiri, R D Isuru Saranga 1216 SRI0.001-0.2740-10.80 
  Hewage, Kawithaka Wethmal 1173 SRI0.5010.18407.20 
  Karunarathne, D D W Gamini 1257 SRI0.5010.284011.20 

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)
 
 National Youth Chess Championship 2017 - Under 16 Girls Colombo SRI 2017-04-17
RcRownchangeKK*chgGame
 1273 1041 1.00 5 -0.15 40 -6.00 
  Wijesuriya, G P Y wc1441  * SRI0.001-0.0840-3.20 
  Karunarathna, Thilini Savindya 1232 SRI0.001-0.2540-10.00 
  De Silva, A Dulani Himasha 1119 SRI1.0010.614024.40 
  Herath, Sanduni 1403 SRI0.001-0.1040-4.00 
  Pasqual, Siluni 1168 SRI0.001-0.3340-13.20 
 * 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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