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Individual Calculations October 2018 |
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| Rathnayake, R M Dinithi Panchali Total change: 12.00 | |   |
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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 |
| 1266 | 1191 | 1.50 | 3 | 0.30 | 40 | 12.00 | |
|  Wilvalaarachchi, Oneli Omaya | | | 1158 | SRI | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Choksy, Anaisha | | | 1315 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | |  Herath, H M M D | | | 1324 | SRI | 0.50 | 1 | 0.18 | 40 | 7.20 | |
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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