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Individual Calculations January 2023 |
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| Alhammouri, Roa Total change: 0.40 | |   |
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| Arab Individual Chess Championship U16 Girls | Damascus | SYR | 2022-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1395 | 1438 | 1.00 | 4 | -1.13 | 40 | -45.20 | |
|  Tiba, Mahdi Attiyah | | | 1725 | IRQ | 0.50 | 1 | 0.34 | 40 | 13.60 | |  Parwa, Pshtiwan Ahmed | | | 1090 | IRQ | 0.00 | 1 | -0.89 | 40 | -35.60 | | | Sawan, Eman | | wc | 1726 | PLE | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Salman, Fatima | | | 1038 * | LBN | 0.00 | 1 | -0.92 | 40 | -36.80 | | | * 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) | | | | 1st Al-Aqsa Tournament 2022 | Herbon | PLE | 2022-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1809 | 1438 | 2.00 | 6 | 1.14 | 40 | 45.60 | |
| | Qawasma, Shadi | | | 1814 | PLE | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Alayyouby, Osaid | | | 1897 | PLE | 1.00 | 1 | 0.95 | 40 | 38.00 | | | Alhmouri, Mostafa | | | 1807 | PLE | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Alayyouby, Iyas | | | 1777 | PLE | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Hamouri, Taqwa | | | 1443 | PLE | 0.00 | 1 | -0.49 | 40 | -19.60 | | | Seder, Mohammed | f | | 2113 | PLE | 0.00 | 1 | -0.01 | 40 | -0.40 | |
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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