Individual Calculations February 2019
 Sanuda, Rehan  Total change: 108.80  Rating chartPersonal card
 Sri Lanka National Youth Championship 2018 - Under 15 Colombo SRI 2018-12-27
RcRownchangeKK*chgGame
 1338 1180 3.00 4 1.76 40 70.40 
  Viduranga, Oshadha 1062 SRI1.0010.344013.60 
  Dissanayake , Sithila C 1415 SRI0.5010.294011.60 
  Cooray, T C M Dulein Kavindu 1379 SRI1.0010.764030.40 
  Nethsara, W M Daham 1496 SRI0.5010.374014.80 

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)
 
 7th Kaluthara Chess Festival 2019 Kaluthara SRI 2019-01-11
RcRownchangeKK*chgGame
 1469 1148 1.50 4 0.96 40 38.40 
  Premachandra, G T D M 1548  * SRI0.001-0.0840-3.20 
  Chankamie, M K T 1447 SRI0.5010.354014.00 
  Samaraweera, Dimuth Indeepa 1447 SRI0.5010.354014.00 
  Gunarathna, D A Viraj Darshana 1435 SRI0.5010.344013.60 
 * 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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