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Individual Calculations January 2020 |
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| Uyanwaththa, W M S B Total change: 40.40 | |   |
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| The Kolonnawa Chess Classic International Rating Tournament 2019 | Colombo | SRI | 2019-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1326 | 1176 | 3.00 | 6 | 1.01 | 40 | 40.40 | |
|  Nabil Nazar, Mohamed | | | 1494 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | |  Gamarathne, Oneth | | | 1409 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Premanath, Prasansa | | | 1390 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Samarakoon, Hevidu | | | 1550 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Ranasinghe, R A Manul Lakvindu | | | 1024 | SRI | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Perera, H A Lisanda Vinsith | | | 1087 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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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