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Individual Calculations January 2020 |
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| Chanika, Dushani Total change: -13.60 | |   |
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| Sri Lanka Women's National Amateur Chess Championship 2019 | Colombo | SRI | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1334 | 1107 | 0.00 | 3 | -0.68 | 20 | -13.60 | |
|  Dassanayake, Tharusha Samadhi | | | 1373 | SRI | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Attanayake, Chanindi Mewna | | | 1206 | SRI | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Jayatilaka, W M M Amodya | | | 1422 | SRI | 0.00 | 1 | -0.14 | 20 | -2.80 | |
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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