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Individual Calculations February 2020 |
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| Obesekara, D R I K Total change: -22.00 | |   |
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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 |
| 1130 | 1044 | 1.00 | 4 | -0.55 | 40 | -22.00 | |
|  Bakmeewewa, L C | | | 1132 | SRI | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Gamage, B K Sayumi Hasithma | | | 1061 | SRI | 1.00 | 1 | 0.52 | 40 | 20.80 | |  Fernando, H Methushi Amaya | | | 1075 | SRI | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Edirisinghe, Senudi Thinalee | | | 1253 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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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