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Individual Calculations February 2020 |
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| Poththewala, Chamindi Total change: -3.20 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 15 years Girls | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1163 | 1342 | 3.50 | 5 | -0.08 | 40 | -3.20 | |
|  Dhanawalawithana, D W I U H | | | 1060 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | |  Vidanapathirana, Sharmila Taniya | | | 1046 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Ekanayaka, P D M L K E | | | 1075 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Seneka, M W Thenumi | | | 1407 | SRI | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Kathriarachchi, Dini Nathyaa | | | 1228 | 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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