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Individual Calculations February 2023 |
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| Wijekoon, Chandana Total change: -18.20 | |   |
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| Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1419 | 1823 | 6.50 | 9 | -1.71 | 20 | -34.20 | |
|  Ranasinghe, R A Manul Lakvindu | | | 1423 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Fernando, H Gayaru Dulsara | | | 1222 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Chandrasiri, P K | | | 1374 | SRI | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Alwela, Senuja Thimeth | | | 1454 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Janukshan, B | | | 1556 | SRI | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Wickramasinghe, V W A Vinuda Vidm | | | 1422 | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Amarathunga, Kosala Sandeepa Cham | | | 1423 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Kulathilake, S M M P | | | 1461 | SRI | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Wickramaarachchi, Nayanaka Insara | | | 1440 | SRI | 0.50 | 1 | -0.41 | 20 | -8.20 | | | * 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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1585 | 1823 | 7.50 | 9 | 0.80 | 20 | 16.00 | |
| | Kalupahana, Hirun Harendra | | | 1423 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wickramarathne, P W G Gaveshi | | | 1311 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Jayanka, L P P R | | | 1370 | SRI | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Abhimanyu, Iraja | | | 1465 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Kulathilake, S M M P | | | 1461 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Galappaththi, Chinthaka Anuruddh | f | | 1996 | SRI | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Sivathanujan, S | | | 1849 | SRI | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Weerasekara, Dishal Nimsara | | | 1714 | SRI | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Alahakoon, T N | | | 1674 | SRI | 1.00 | 1 | 0.30 | 20 | 6.00 | | | * 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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