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Individual Calculations November 2023 |
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| Rathnayake, R M Thenura Damsith Total change: -17.20 | |   |
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| Sri Lanka Junior National Chess Championship 2023 | Kandy | SRI | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1315 | 1073 | 0.00 | 2 | -0.40 | 40 | -16.00 | |
|  Wijesinghe, W A M C | | | 1326 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Wijethilake, D N | | | 1303 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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) | | | | Kandy Open International Rating Chess Championships 2023 | Kandy | SRI | 2023-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1610 | 1073 | 0.00 | 1 | -0.03 | 40 | -1.20 | |
| | De Silva, Osheen | | | 1610 | SRI | 0.00 | 1 | -0.03 | 40 | -1.20 | |
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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