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Individual Calculations August 2023 |
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| Abeysinghe, H M H Janandani Total change: 14.40 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1188 | 1578 | 2.00 | 2 | 0.17 | 20 | 3.40 | |
|  Jayaweera, Risali Lohasna | | | 1178 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Sandaruwan, K E Dineth | | | 1197 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Sri Lanka National Team Chess Championship 2023 - Women | Colombo | SRI | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1277 | 1589 | 3.00 | 3 | 0.55 | 20 | 11.00 | |
| | Udapola, Yenuli Yenara | | | 1113 | SRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Tharushi, T H D Niklesha | | wc | 1530 | SRI | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Laxya, S | | | 1189 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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