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Individual Calculations January 2020 |
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| Wijewickrama, Ayod Induwara Total change: 29.20 | |   |
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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 |
| 1314 | 1010 | 1.50 | 5 | 0.73 | 40 | 29.20 | |
|  De Silva, J I Ajantha | | | 1378 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | |  Arthigan, J | | | 1389 | SRI | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Jayasuriya, Linali Andrea | | | 1385 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Lavanga, D Binuka | | | 1243 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Abeysinghe, Ayantha Imeera | | | 1177 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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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