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Individual Calculations February 2020 |
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| Amarathunga, Piyumi Uthpala Total change: 0.00 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 11 years Girls | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1190 | 0 | 0.50 | 2 | 0.00 | 997 | | 0.00 | |
|  Abeysekara, Yasasi Geemini | | | 1199 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |  Galagedara, Thehara T Vakeesan | | | 1180 | 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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1153 | 0 | 0.00 | 2 | 0.00 | 353 | | 0.00 | |
| | Karunasena, H G M K Saheli Onaya | | | 1109 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Wijerathne, K G D Yonal | | | 1196 | 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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