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Individual Calculations February 2019 |
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| Perera, D G D S Vidarsha Total change: 14.80 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 11 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1169 | 1200 | 2.00 | 3 | 0.37 | 40 | 14.80 | |
|  Akuratiya, A G Javindi Avarjana | | | 1129 | SRI | 1.00 | 1 | 0.40 | 40 | 16.00 | |  Pallie, Ehsha Mishela | | wc | 1327 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Gunawardena, I M T S | | wc | 1052 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | |
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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