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Individual Calculations November 2022 |
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| Bimansa, D G Jayandi Total change: 69.20 | |   |
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| Sri Lanka Junior Girls National Chess Championship 2022 | Kandy | SRI | 2022-09-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1335 | 1059 | 2.50 | 5 | 1.40 | 40 | 56.00 | |
|  Gunawardhana, Devindya Oshini | | | 1425 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Jayaweera, Sayuni Gihansa | | wc | 1678 | SRI | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Marasinghe, Chanethma Devangi | | | 1278 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | |  Thrinethsaree, R P Hansali H | | | 1121 | SRI | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Dissanayake, Lihini | | | 1172 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | |
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 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1235 | 1059 | 1.00 | 4 | -0.18 | 40 | -7.20 | |
| | Rathnayake, R M Dulinma Hemalni | | | 1405 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Mendis, Imethra | | | 1166 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Wickramarathne, P W G Gaveshi | | | 1357 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Jayasundara, J M Theruni V | | | 1011 | SRI | 0.00 | 1 | -0.57 | 40 | -22.80 | |
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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1420 | 1059 | 1.00 | 4 | 0.51 | 40 | 20.40 | |
| | Premanath, Prasansa | | | 1480 | SRI | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Jayarathne, M N G | | | 1571 | SRI | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Perera, D G D S Vidarsha | | | 1253 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Akuratiya, A G Javindi Avarjana | | | 1375 | SRI | 1.00 | 1 | 0.87 | 40 | 34.80 | |
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) | | |
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