Individual Calculations February 2023
 Bandara, Lakshika Sathsarani  Total change: 28.88  Rating chartPersonal card
 Asia Schools CC 2022- U 17 G Kaluthara SRI 2022-12-05
RcRownchangeKK*chgGame
 1244 1014 1.50 6 -0.09 38 -3.42 
  Wijesinghe, W M M N 1466 SRI0.001-0.0638-2.28 
  Rajapaksa, Minagi 1164 SRI0.5010.20387.60 
  Thariniga, N 1036 SRI0.5010.03381.14 
  Bazarbaeva, Saadat 1567 KGZ0.001-0.0338-1.14 
  Dissanayake, D A Thavinsa Archani 1096 SRI0.5010.11384.18 
  Somarathne, Subhaga Kushali 1133 SRI0.001-0.3438-12.92 

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)
 
 Ethugalpura Open International Rating Chess Championships 2022 Kurunegala SRI 2022-12-20
RcRownchangeKK*chgGame
 1355 1014 2.00 5 1.30 38 49.40 
  Herath , H M A 1244 SRI1.0010.793830.02 
  Weerakoon, R K B 1559 SRI1.0010.973836.86 
  Insara, S D Nadev 1455 SRI0.001-0.0638-2.28 
  De Silva, Wijemuni Yomesh Lakshan 1237 SRI0.001-0.2238-8.36 
  Dange, Gehansa Ranumi 1278 SRI0.001-0.1838-6.84 

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)
 
 Kandy Open International Rating Chess Championships 2022 Kandy SRI 2022-12-27
RcRownchangeKK*chgGame
 1303 1014 0.50 3 -0.06 38 -2.28 
  Laksiri, A A Kavishka Gimshan 1517 SRI0.001-0.0438-1.52 
  Sandaruwan, K E Dineth 1189 SRI0.5010.23388.74 
  Kottage, K M Nilash Nethul 1203 SRI0.001-0.2538-9.50 

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)
 
 Kaluthara International Chess Festival 2023 Kaluthara SRI 2023-01-20
RcRownchangeKK*chgGame
 1393 1014 0.00 4 -0.39 38 -14.82 
  Jayaweera, Hashan 1441 SRI0.001-0.0738-2.66 
  Bentharaarachchi, Vinuga Ometh 1361 SRI0.001-0.1138-4.18 
  Insara, S D Nadev 1455 SRI0.001-0.0638-2.28 
  Thilakaratne, Hm Sithuka Ranmira 1314 SRI0.001-0.1538-5.70 

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)
 

 

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