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Individual Calculations January 2019 |
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| Silva, M M Dhanika Sri Kalhara Total change: 2.20 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1338 | 1218 | 1.50 | 4 | 0.11 | 20 | 2.20 | |
|  Abhimanyu, Iraja | | | 1467 | SRI | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Maheeshan, Gayan | | | 1375 | SRI | 0.50 | 1 | 0.21 | 20 | 4.20 | |  Weerasinghe, Isum | | | 1434 | SRI | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Kathriarachchi, Dini Nathyaa | | | 1074 | SRI | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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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