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Individual Calculations February 2019 |
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| Wickramasinghe, Thesandi Total change: 9.60 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1257 | 1220 | 2.50 | 5 | 0.24 | 40 | 9.60 | |
|  Weerasiri, H P Sayuni Chamathna | | | 1155 | SRI | 1.00 | 1 | 0.41 | 40 | 16.40 | |  Sandeepani, M Tharushi | | | 1431 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Poththewala, Chamindi | | | 1322 | SRI | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Mapa, M M W H | | | 1297 | SRI | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Disarie, P G W M Thawinsa | | | 1082 | SRI | 0.50 | 1 | -0.19 | 40 | -7.60 | |
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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