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Individual Calculations February 2019 |
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| Sethiya , A Vinuga Total change: 9.60 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1184 | 1147 | 3.00 | 6 | 0.24 | 40 | 9.60 | |
|  Ranasinghe, R A Senuka Buddhika | | | 1305 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Dissanayake, E M T N | | | 1007 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Weerasinghe, Sethum | | | 1326 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Amarasooriya, Ushara Kaushan | | | 1006 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Liyanage, Pesandu Rashmitha | | | 1438 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Salgado, M V Induwara | | | 1019 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | |
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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