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Individual Calculations January 2020 |
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| Jayasinghe, Miyuni Thisanya Total change: 20.40 | |   |
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| Sri Lanka Women's National Amateur Chess Championship 2019 | Colombo | SRI | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1226 | 1090 | 2.50 | 6 | 0.51 | 40 | 20.40 | |
|  Wilvalaarachchi, Oneli Omaya | | | 1340 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | |  Jayatilaka, W M M Amodya | | | 1422 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Gamage, B K Sayumi Hasithma | | | 1061 | SRI | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Piyathilaka, Oshadhi Ruwanya | | | 1103 | SRI | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Wickramarathne, P W G Gaveshi | | | 1231 | SRI | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Abeysekara, Yasasi Geemini | | | 1199 | SRI | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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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