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Individual Calculations January 2020 |
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| Jayatilaka, W M M Amodya Total change: -34.80 | |   |
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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 | 1422 | 5.00 | 8 | -0.87 | 40 | -34.80 | |
|  Weerawardana, Oneli Vihanga | | | 1148 | SRI | 0.50 | 1 | -0.33 | 40 | -13.20 | |  Jayasinghe, Miyuni Thisanya | | | 1090 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Ranasinghe, Shalini | | | 1583 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Piyathilaka, Oshadhi Ruwanya | | | 1103 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Chanika, Dushani | | | 1107 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Kathriarachchi, Dini Nathyaa | | | 1228 | SRI | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Wilvalaarachchi, Oneli Omaya | | | 1340 | SRI | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Attanayake, Chanindi Mewna | | | 1206 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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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