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Individual Calculations October 2017 |
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| De Silva, Shelani Total change: 6.40 | |   |
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| 4th Sri Lanka National Amateur International Rating Women Chess Championships 2017 | Colombo | SRI | 2017-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1389 | 1570 | 6.00 | 8 | 0.32 | 20 | 6.40 | |
|  Chamathka, Weerasinghe A Chethan | | | 1170 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Herath, Sanduni | | | 1377 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Udagedara, Sandali Kanishka | | | 1589 | SRI | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Ranasinghe, Shalini | | | 1530 | SRI | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Abeysinghe, H M H Janandani | | | 1458 | SRI | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Jayatilaka, W M M Amodya | | | 1329 | SRI | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Gimhani, H. Shashipraba | | | 1492 | SRI | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Ranishani, W A Sandaru | | | 1170 * | 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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