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Individual Calculations October 2018 |
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| Wilvalaarachchi, Oneli Omaya Total change: 40.40 | |   |
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| Sri Lanka Junior Girls National Chess Championship 2018 | Colombo | SRI | 2018-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1374 | 1158 | 2.00 | 4 | 1.01 | 40 | 40.40 | |
|  Peiris, H Pevinya | | wf | 1558 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Rathnayake, R M Dinithi Panchali | | wc | 1191 | SRI | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Mapa, M M W H | | | 1321 | SRI | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Weerasinghe, Asani Sankalpana | | | 1424 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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