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Individual Calculations February 2020 |
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| Costha, M Yomali Muthumini Total change: -10.00 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 15 years Girls | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1165 | 1037 | 1.50 | 5 | -0.25 | 40 | -10.00 | |
|  Dilanya, W V Nethmi | | | 1428 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Rajapakshe, T D | | | 1009 | SRI | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Vidyarathna, W H S | | | 1176 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Samarakoon, S M Udani Adithya | | | 1121 | SRI | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Jayasinghe, Miyuni Thisanya | | | 1090 | SRI | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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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