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Individual Calculations February 2018 |
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| Kumbalathara, K A V Pinipa Total change: 2.40 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 13 years Girls | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1211 | 1101 | 1.50 | 4 | 0.06 | 40 | 2.40 | |
|  Warushvithana, Senuri Shehana Ku | | | 1033 | SRI | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Seneka, M W Thenumi | | | 1275 | SRI | 1.00 | 1 | 0.73 | 40 | 29.20 | |  Gunathilake, M D Wonara S | | | 1382 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Jayasinghe, J A V A T | | | 1155 | SRI | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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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