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Individual Calculations February 2020 |
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| Mudalige, N S Viranja Total change: -57.60 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 13 years Girls | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1159 | 1150 | 0.50 | 4 | -1.44 | 40 | -57.60 | |
|  Akuratiya, A G Javindi Avarjana | | | 1162 | SRI | 0.00 | 1 | -0.48 | 40 | -19.20 | |  Weerawardana, Oneli Vihanga | | | 1148 | SRI | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Gunawardena, Y Kaveesha | | | 1216 | SRI | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Alahapperuma, N Mihinadi | | | 1111 | SRI | 0.50 | 1 | -0.05 | 40 | -2.00 | |
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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