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Individual Calculations January 2020 |
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| Galagedara, Thehara T Vakeesan Total change: -62.40 | |   |
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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 |
| 1178 | 1180 | 0.00 | 3 | -1.56 | 40 | -62.40 | |
|  Sahasra, A P Sasindu | | | 1482 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Samarakoon, Vivash Ransara | | | 1030 | SRI | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Minradha, M K Pramudhi | | | 1023 | SRI | 0.00 | 1 | -0.71 | 40 | -28.40 | |
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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