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Individual Calculations February 2023 |
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| Jayaweera, D A Thevindu Nimnal Total change: 1.60 | |   |
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| Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1361 | 1102 | 0.50 | 2 | 0.11 | 40 | 4.40 | |
|  Edirisinghe, E D Hansana | | | 1268 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Alwela, Senuja Thimeth | | | 1454 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | |
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) | | | | Colombo District Youth Chess Championships 2023 - Under 18 | Dehiwala | SRI | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1517 | 1102 | 0.00 | 1 | -0.07 | 40 | -2.80 | |
| | Laksiri, A A Kavishka Gimshan | | | 1517 | SRI | 0.00 | 1 | -0.07 | 40 | -2.80 | |
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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