Individual Calculations November 2022
 Rathnayake, R M Dulinma Hemalni  Total change: -35.00  Rating chartPersonal card
 Sri Lanka Junior Girls National Chess Championship 2022 Kandy SRI 2022-09-09
RcRownchangeKK*chgGame
 1157 1323 4.50 6 0.28 35 9.80 
  Palliyage, Sethumlee Devhara 1106 SRI0.001-0.7835-27.30 
  Amarathunga, H G Gayuni Hansali 1036 SRI1.0010.16355.60 
  Premanath, Prasansa 1480 SRI0.5010.21357.35 
  Denipitiya, D L A A C 1101 SRI1.0010.22357.70 
  Wijesinghe, Amesha Shenali 1067 SRI1.0010.19356.65 
  Kumarasinghe, Minuli 1154 SRI1.0010.28359.80 

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)
 
 Sri Lanka National Wome's Amateur Chess Championship 2022 Colombo SRI 2022-10-06
RcRownchangeKK*chgGame
 1193 1405 4.50 7 -0.65 35 -22.75 
  Fernando, Thimansa Amashi 1024 SRI1.0010.09353.15 
  Bimansa, D G Jayandi 1059 SRI0.501-0.3935-13.65 
  Pallie, Ehsha Mishela wc1552 SRI0.001-0.3035-10.50 
  Jayasundara, J M Theruni V 1011 SRI1.0010.08352.80 
  Indrajith, J A K N T 1304 SRI1.0010.363512.60 
  Sithumsa, H G Sasmi 1079 SRI1.0010.13354.55 
  Sandanayake, Dehansa Nisanduni 1319 SRI0.001-0.6235-21.70 

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
 1157 1405 5.00 7 -0.63 35 -22.05 
  Mallawaaratchi, M Januthi S B 1047 SRI1.0010.10353.50 
  Wickramasinghe, V W A Vinuda Vidm 1165 SRI0.501-0.3035-10.50 
  Perera, K C D 1173 SRI1.0010.21357.35 
  Nanayakkara, Sanuk 1162 SRI1.0010.20357.00 
  Sisuru, K M Sineth 1187 SRI0.001-0.7835-27.30 
  Wickramaarachchi, Nayanaka Insara 1238 SRI0.501-0.2235-7.70 
  Gunawickrama, Chenitha 1126 SRI1.0010.16355.60 

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)
 

 

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