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Individual Calculations February 2019 |
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| Dissanayake, D M B S Total change: 10.40 | |   |
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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 |
| 1265 | 1063 | 1.00 | 3 | 0.26 | 40 | 10.40 | |
|  Jaysenthuliyane, Vinumi Vidara | | | 1313 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | |  Hetti Arachchige, Thisumi S | | | 1318 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Rupasinghe, A M S Anujana | | | 1163 | SRI | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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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