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Individual Calculations January 2020 |
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| Weerasekara, Dinul Vinsitha Total change: 39.60 | |   |
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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 |
| 1355 | 1190 | 2.50 | 5 | 0.99 | 40 | 39.60 | |
|  Alwis, B H A Rasidu | | | 1516 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | |  Ahangama, Senuka Aswin | | | 1473 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Ranasinghe, R A S C | | | 1058 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Marapana, Sanupa Bimsath | | | 1362 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Weerasinghe, Sethum | | | 1366 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | |
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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