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Individual Calculations January 2020 |
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| Piyathilaka, D R S Sadewda Total change: 0.00 | |   |
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| 11th Ethugalpura International Chess Championship 2019 | Kurunegala | SRI | 2019-11-30 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1040 | 0 | 0.00 | 3 | 0.00 | 240 | | 0.00 | |
|  Mallikarachchi, Kancha | | | 1084 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Nanayakkara, N W P K W | | | 1022 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Weerasooriya, Navinu | | | 1014 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Sri Lanka Women's National Amateur Chess Championship 2019 | Colombo | SRI | 2019-12-19 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1304 | 0 | 0.00 | 5 | 0.00 | 504 | | 0.00 | |
|  Ranasinghe, Shalini | | | 1583 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Abeysekara, Yasasi Geemini | | | 1199 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Jayasinghe, Thenugi Dilanya | | | 1256 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Jayatilaka, W M M Amodya | | | 1422 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Gamage, B K Sayumi Hasithma | | | 1061 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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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