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Individual Calculations May 2017 |
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| Wijesinghe, W A D Sumudu Total change: 26.40 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1568 | 1239 | 1.00 | 3 | 0.62 | 40 | 24.80 | |
|  Abeywardana, H N | | | 1544 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Deshappriya, D Kalindu | | | 1613 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | |  Iddagoda, Nikitha | | | 1546 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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) | | | | National Youth Chess Championship 2017 - Under 16 Girls | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1258 | 1239 | 3.00 | 6 | 0.04 | 40 | 1.60 | |
| | Idamewattha, I W S S | | | 1126 | SRI | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Jayaweera, Sayuni Gihansa | | wc | 1541 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Weerasekara, Dilmi Induwari | | | 1160 | SRI | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Athukorala, Shavindi Uddeepana | | | 1574 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Ranishani, W A Sandaru | | | 1087 | SRI | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Nimesha, Hasini | | | 1060 | SRI | 0.50 | 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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