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Individual Calculations February 2019 |
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| Irunika, S D Aruni Total change: 76.00 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 15 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1438 | 1207 | 3.00 | 5 | 1.90 | 40 | 76.00 | |
|  Choksy, Anaisha | | | 1388 | SRI | 1.00 | 1 | 0.74 | 40 | 29.60 | |  Jayasuriya, Linali Andrea | | | 1412 | SRI | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Tharushi, T H D Niklesha | | wc | 1604 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Epa, W Bethmee V | | | 1368 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Weerasinghe, Asani Sankalpana | | | 1420 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | |
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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