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Individual Calculations February 2018 |
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| Wathudura, Milinda Danujaya Total change: -22.40 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 13 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1255 | 1073 | 0.50 | 4 | -0.56 | 40 | -22.40 | |
|  Weerasinghe, Isum | | | 1289 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | |  De Silva, H Adeepa Virajitha | | | 1237 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Akmeemana, I U | | | 1162 | SRI | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Bentharaarachchi, Vinuga Ometh | | | 1333 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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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