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Individual Calculations February 2019 |
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| Wickramasinghe, W M D S D Total change: -42.80 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 15 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1217 | 1121 | 0.50 | 4 | -1.07 | 40 | -42.80 | |
|  Epa, W Bethmee V | | | 1368 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Edirisinghe, E P S | | | 1061 | SRI | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Jayatilaka, W M M Amodya | | | 1436 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Karunarathna, Nuthara Dulandee | | | 1002 | SRI | 0.00 | 1 | -0.66 | 40 | -26.40 | |
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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