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Individual Calculations February 2018 |
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| Rathnayake, Maheesha Pabodhini Total change: 6.00 | |   |
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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 |
| 1222 | 1170 | 1.50 | 3 | 0.15 | 40 | 6.00 | |
|  Pavalachandran, Ashvini | | | 1488 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Weerasiri, H P Sayuni Chamathna | | | 1081 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | |  Sugathadasa, Vihara Vidwanthi | | | 1096 | SRI | 0.50 | 1 | -0.10 | 40 | -4.00 | |
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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