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Individual Calculations January 2019 |
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| Mihiran, K D Pawara Himsara Total change: -11.60 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1296 | 1039 | 0.50 | 4 | -0.29 | 40 | -11.60 | |
|  Weerasinghe, Isum | | | 1434 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Weerasinghe, Sethum | | | 1326 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Jayawardena, Wishmitha Diviyanga | | | 1217 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Methiyra, G P Detumina | | | 1208 | 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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