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Individual Calculations January 2023 |
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| Parwa, Pshtiwan Ahmed Total change: 55.20 | |   |
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| Arab Individual Chess Championship U16 Girls | Damascus | SYR | 2022-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1477 | 1090 | 1.00 | 4 | 0.27 | 40 | 10.80 | |
|  Alhammouri, Roa | | | 1438 | PLE | 1.00 | 1 | 0.89 | 40 | 35.60 | | | Tiba, Mahdi Attiyah | | | 1725 | IRQ | 0.00 | 1 | -0.01 | 40 | -0.40 | |  Sawan, Eman | | wc | 1726 | PLE | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Salman, Fatima | | | 1019 | LBN | 0.00 | 1 | -0.60 | 40 | -24.00 | |
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) | | | | Iraq Clubs League for Women 2022 | Bagdad | IRQ | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1375 | 1090 | 2.00 | 3 | 1.11 | 40 | 44.40 | |
| | Ibraheem, Delbak Ismael Ibraheem | | wm | 1862 | IRQ | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Naba, Mahdi Attiyah | | | 1018 | IRQ | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Shara, Azad Ibrahim | | | 1244 | IRQ | 1.00 | 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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