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Individual Calculations February 2020 |
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| Yakandawala, Chathuni Deshika Total change: 0.00 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 13 years Girls | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1297 | 0 | 0.50 | 2 | 0.00 | 1104 | | 0.00 | |
|  Piyumanthi, M Sayumi Vimansa | | | 1250 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |  Marasinghe, Chanethma Devangi | | | 1344 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1058 | 0 | 0.50 | 2 | 0.00 | 865 | | 0.00 | |
| | Insara, S D Nadev | | | 1114 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Indira, K P W Kaveesha Gayashan | | | 1002 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |
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) | | |
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