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Individual Calculations January 2020 |
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| Gunasekara, Aritha Chanthula Abes Total change: -2.00 | |   |
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| 11th Ethugalpura International Chess Championship 2019 | Kurunegala | SRI | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1293 | 1031 | 0.50 | 3 | -0.05 | 40 | -2.00 | |
|  Fernando, W S Sanash Damion | | | 1297 | SRI | 0.50 | 1 | 0.32 | 40 | 12.80 | |  Maithripala, W D P N | | | 1297 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Cooray, B S M T | | | 1284 | SRI | 0.00 | 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) | | |
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