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Individual Calculations April 2019 |
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| Sathma, Devni Total change: -11.20 | |   |
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| Sri Lanka Women's National Qualifying Chess Championships 2019 - Colombo | Colombo | SRI | 2019-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1308 | 1310 | 1.50 | 4 | -0.56 | 20 | -11.20 | |
|  Karunarathna, Nuthara Dulandee | | | 1078 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Liyanagedara, L G A | | wc | 1624 | SRI | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Wickramasinghe, Thesandi | | | 1269 | SRI | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Weerawardana, Oneli Vihanga | | | 1260 | SRI | 0.00 | 1 | -0.57 | 20 | -11.40 | |
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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