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Individual Calculations October 2019 |
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| Abeysekera, Randika Nuwanthi Total change: -18.20 | |   |
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| Sri Lanka University Games Chess Championship 2019 - Women | Matara | SRI | 2019-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1439 | 1382 | 2.00 | 4 | 0.32 | 20 | 6.40 | |
|  Wijerathne, Sammani Upsala | | | 1317 | SRI | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Koggala, W S T D | | | 1474 | SRI | 0.50 | 1 | 0.13 | 20 | 2.60 | |  Ranasinghe, Dilshani | | | 1499 | SRI | 0.50 | 1 | 0.16 | 20 | 3.20 | | | De Silva, R I G | | | 1467 | SRI | 0.00 | 1 | -0.38 | 20 | -7.60 | |
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) | | | | National Sports Festival Chess Championship 2019 - Women | Badulla | SRI | 2019-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1419 | 1382 | 1.00 | 5 | -1.23 | 20 | -24.60 | |
| | Vithanage, Sandaruwi M | | | 1492 | SRI | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Lojiny, T | | | 1083 | SRI | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Gunaratne, Manisha Suchini | | wf | 1535 | SRI | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Abeysinghe, H M H Janandani | | | 1612 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Weeraman, Dulmi Raweena | | | 1371 | SRI | 1.00 | 1 | 0.48 | 20 | 9.60 | |
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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