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Individual Calculations June 2023 |
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| Dharmawansa, S S Total change: 15.60 | |   |
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| Colombo International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1243 | 1021 | 1.50 | 5 | 0.39 | 40 | 15.60 | |
|  Sathsara, E P Daham | | | 1289 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Devasurendra, Menuksha Sahen | | | 1171 | SRI | 1.00 | 1 | 0.70 | 40 | 28.00 | |  Madurawala, M G D S Shanuka | | | 1301 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Francis, U M Senal Vishmin | | | 1236 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Jayasooriya, Ruvin Sandharu | | | 1217 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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