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Individual Calculations January 2019 |
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| Dahampriya, H K T Dewnethmie Total change: -67.60 | |   |
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| Sri Lanka Women Inter Club Chess Championship 2018 | Colombo | SRI | 2018-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1399 | 1556 | 1.00 | 2 | -0.40 | 40 | -16.00 | |
|  Abeywickrama, Chethya N P | | | 1492 | SRI | 0.00 | 1 | -0.59 | 40 | -23.60 | |  Madurapperuma, M A D Maheshika L | | | 1306 | SRI | 1.00 | 1 | 0.19 | 40 | 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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1319 | 1556 | 2.50 | 5 | -1.29 | 40 | -51.60 | |
| | Wimalagunasekara, D Nithwara | | | 1156 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Hewawasam, H Y Thisaga Manvidu | | | 1278 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Kodithuwakku, Lisara | | | 1681 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Weerasinghe, Sethum | | | 1326 | SRI | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Hemachandra, D K S Sethmika | | | 1156 * | SRI | 0.50 | 1 | -0.42 | 40 | -16.80 | | | * 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) | | |
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