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Individual Calculations June 2023 |
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| Waidyasekara, R H Risara Geeneth Total change: 7.60 | |   |
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| Supr Knights Open International Rating Chess Championship 2023 | Colombo | SRI | 2023-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1403 | 1097 | 1.50 | 3 | 0.69 | 40 | 27.60 | |
|  Withanage, Mahiru Mihimeth | | | 1020 | SRI | 1.00 | 1 | 0.39 | 40 | 15.60 | |  Perera, B Jayod Yasindu Rashmika | | | 1335 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Amarasinghe, A A C B | c | | 1855 | SRI | 0.00 | 1 | 0.00 | 40 | 0.00 | |
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) | | | | Colombo International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1413 | 1122 | 0.00 | 3 | -0.50 | 40 | -20.00 | |
| | Lakshitha, H H Sasindu | | | 1506 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Nanayakkara, Sanuk | | | 1455 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Pathirage, Yukitha Kenula Perera | | | 1277 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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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