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Individual Calculations January 2023 |
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| Ahmad Murad, Fatema Alzahraa. Total change: 8.00 | |   |
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| Arab Individual Chess Championship U20 Girls | Damascus | SYR | 2022-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1499 | 1782 | 3.50 | 4 | 0.40 | 20 | 8.00 | |
|  Sara, Masood Abdullah | | | 1707 | IRQ | 1.00 | 1 | 0.40 | 20 | 8.00 | |  Naseraldean, Sara | | | 1382 * | PLE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sara, Masood Abdullah | | | 1707 | IRQ | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Naseraldean, Sara | | | 1198 | PLE | 1.00 | 1 | 0.02 | 20 | 0.40 | | | * 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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