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Individual Calculations December 2017 |
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| Padukka, P V Gayuru Hansana Total change: 9.60 | |   |
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| Sri Lanka Junior National Chess Championship 2017 | Colombo | SRI | 2017-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1345 | 1280 | 2.00 | 4 | 0.24 | 40 | 9.60 | |
|  Dissanayake, Manusha Dinuk | | | 1520 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Saravanabaavan, Yughatharoon | | | 1114 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Aluvihare, Shakila | | | 1649 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Peiris, T Shakya Imanjith | | | 1096 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | |
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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