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Individual Calculations October 2019 |
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| Koggala, W S T D Total change: 13.80 | |   |
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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 |
| 1428 | 1474 | 2.50 | 3 | 0.81 | 20 | 16.20 | |
|  De Silva, R I G | | | 1467 | SRI | 1.00 | 1 | 0.49 | 20 | 9.80 | |  Abeysekera, Randika Nuwanthi | | | 1382 | SRI | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Koswatta, K W D M H U | | | 1436 | SRI | 1.00 | 1 | 0.45 | 20 | 9.00 | |
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 |
| 1681 | 1474 | 1.00 | 4 | -0.12 | 20 | -2.40 | |
| | De Silva, Tenara | | | 1874 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Jayaweera, Sayuni Gihansa | | wc | 1821 | SRI | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Premanath, Dinushki | | wf | 1833 | SRI | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Hansamali, H M Samudrika | | | 1197 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | * 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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