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Individual Calculations February 2018 |
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| Weerasiri, H P Sayuni Chamathna 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 |
| 1242 | 1081 | 1.00 | 4 | -0.15 | 40 | -6.00 | |
|  Dilanya, W V Nethmi | | | 1265 | SRI | 1.00 | 1 | 0.74 | 40 | 29.60 | |  Dassanayake, Tharusha Samadhi | | | 1280 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Premanath, Prasansa | | | 1252 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Rathnayake, Maheesha Pabodhini | | | 1170 | SRI | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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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