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Individual Calculations December 2019 |
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| Purba, Cornelis Total change: -37.80 | |   |
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| Jakarta Open Chess International | Jakarta | INA | 2019-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 2188 | 2.50 | 5 | -1.89 | 20 | -37.80 | |
|  Natasya, Mulya Dewanti | | | 1788 * | INA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Andri, Looz Andere Madri | | | 1952 | INA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Lubis, Ranto Kabzeel | | | 1912 | INA | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Theofilus, Kevin | | | 1788 * | INA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Herry, Fepandri Lodewijk | | | 1788 * | INA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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