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Individual Calculations August 2023 |
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| Edirisinghe, E M Shanulya Deenu T Total change: 92.40 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1279 | 1010 | 2.50 | 5 | 1.57 | 40 | 62.80 | |
|  Wimalasiri, Ransith Pabalu | | | 1373 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | |  Gomes, J Vaneesha Oshini | | | 1158 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Kumarasinghe, P Sandaru Kaushal | | | 1174 | SRI | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Pathmasiri, R D Isuru Saranga | | | 1304 | SRI | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Anparasan, T | | | 1384 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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) | | | | Sri Lanka National Team Chess Championship 2023 - Women | Colombo | SRI | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1152 | 1010 | 2.00 | 4 | 0.74 | 40 | 29.60 | |
| | Wijesiri, Dileka | | | 1197 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Karunathilake, R L T | | | 1215 | SRI | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Thenuga, K | | | 1074 | SRI | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Beminiwatte, A W Raveeja Arundi | | | 1122 | SRI | 1.00 | 1 | 0.65 | 40 | 26.00 | |
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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