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Individual Calculations January 2020 |
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| Karunaratne, Rahel Chaanakya Total change: -3.20 | |   |
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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 |
| 1269 | 1267 | 3.50 | 7 | -0.08 | 40 | -3.20 | |
|  Kodithuwakku, Himsara | | | 1663 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Atulugamage, Saniru Lohan | | | 1029 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Akasha, J P Vihanga | | | 1490 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Dinujaya, P D Kavishka | | | 1061 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Senamanthila, Milani | | | 1050 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Yasanga, W C M Kasun | | | 1459 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Rathnayake, Tenuli Dhahamna | | | 1129 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | |
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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