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Individual Calculations February 2020 |
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| Sandeepani, M Tharushi Total change: -30.00 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 15 years Girls | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1338 | 1643 | 5.00 | 7 | -0.91 | 40 | -36.40 | |
|  Vidanapathirana, Sharmila Taniya | | | 1243 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Jayasinghe, J A V A T | | | 1243 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Choksy, Anaisha | | | 1324 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Gunathilake, M D Wonara S | | | 1460 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Mapa, M M W H | | | 1428 | SRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Weerakoon, Devuja S | | | 1243 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Dilanya, W V Nethmi | | | 1428 | SRI | 0.50 | 1 | -0.27 | 40 | -10.80 | | | * 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) | | | | Battle of the Kings - All Island Schools Team Chess Championship 2020 | Colombo | SRI | 2020-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1443 | 1643 | 3.00 | 4 | 0.16 | 40 | 6.40 | |
| | Doluweera, Minul Sanjula | f | | 2043 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rathnayake, Tenuli Dhahamna | | | 1243 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Wanigasekera, Dulaj Dasith Alwis | | | 1243 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Dissanayake, E M T N | | | 1243 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | |
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