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Individual Calculations February 2020 |
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| Choksy, Anaisha Total change: -57.20 | |   |
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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 |
| 1266 | 1324 | 2.00 | 5 | -0.93 | 40 | -37.20 | |
|  Sandeepani, M Tharushi | | | 1643 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Jayasinghe, Miyuni Thisanya | | | 1090 | SRI | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Abeysinghe, Irushi Layanga | | | 1160 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Withanarachchi, W A P V | | | 1216 | SRI | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Weerakoon, Devuja S | | | 1221 | SRI | 0.00 | 1 | -0.64 | 40 | -25.60 | |
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) | | | | 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 |
| 1123 | 1324 | 1.00 | 2 | -0.50 | 40 | -20.00 | |
| | Palihapitiya, Inesh | | | 1196 | SRI | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Nimasha, A G Kavini | | | 1049 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | |
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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