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Individual Calculations February 2019 |
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| Epa, W Buthmi J Total change: 53.60 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 15 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1303 | 1328 | 4.50 | 6 | 1.34 | 40 | 53.60 | |
|  Kiuldeniya, K H M C Isurindi | | | 1105 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | |  Sandanayake, Nimansa Sasanduni | | | 1096 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Fernando, G W Nethmi L | | | 1555 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Weerasinghe, Asani Sankalpana | | | 1420 | SRI | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Pathirana, W P Voji Nimla | | | 1199 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Waranga, M G Yasasmi | | | 1443 | SRI | 0.50 | 1 | 0.16 | 40 | 6.40 | |
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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