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Individual Calculations November 2023 |
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| Somarathna, Dinuka Total change: 6.00 | |   |
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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 |
| 1298 | 1126 | 1.00 | 3 | 0.15 | 40 | 6.00 | |
|  Atulugamage, Saniru Lohan | | | 1356 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Gunasekara, Aritha Chanthula Abes | | | 1179 | SRI | 1.00 | 1 | 0.57 | 40 | 22.80 | |  Wickramarathne, D Jehan Randil | | | 1359 | 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) | | |
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