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Individual Calculations February 2018 |
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| Weerawardana, Oneli Vihanga Total change: -23.20 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 11 years Girls | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1063 | 1273 | 4.00 | 6 | -0.58 | 40 | -23.20 | |
|  Premasiri, T A Dinali Sahansa | | | 1023 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | |  Methsiluni, Nimethma U J | | | 1096 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Dissanayake, D A Thavinsa Archan | | | 1017 | SRI | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Karunarathna, Sanugi Bimansa | | | 1009 | SRI | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Perera, Senadi Thimansa | | | 1037 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Gamage, M Nuwanthi Silva | | | 1196 | SRI | 0.50 | 1 | -0.11 | 40 | -4.40 | |
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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