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Individual Calculations January 2023 |
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| Sara, Masood Abdullah Total change: -15.00 | |   |
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| Arab Individual Chess Championship U20 Girls | Damascus | SYR | 2022-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1517 | 1707 | 2.50 | 4 | -0.18 | 20 | -3.60 | |
|  Ahmad Murad, Fatema Alzahraa. | | | 1782 | SYR | 0.00 | 1 | -0.40 | 20 | -8.00 | |  Naseraldean, Sara | | | 1307 * | PLE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ahmad Murad, Fatema Alzahraa. | | | 1782 | SYR | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Naseraldean, Sara | | | 1198 | PLE | 1.00 | 1 | 0.04 | 20 | 0.80 | | | * 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) | | | | IRQ FINAL FOR WOMEN 2022 | Bagdad | IRQ | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1626 | 1707 | 5.00 | 9 | -0.37 | 20 | -7.40 | |
| | Widad, Sabah Noori | | | 1577 | IRQ | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Rataj, Saad Mohsin | | | 1314 | IRQ | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ruwaida, Saad Mohsin Al Naseri | | | 1530 | IRQ | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Ibraheem, Delbak Ismael Ibraheem | | wm | 1862 | IRQ | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Nihad, Sabah Noori | | | 1566 | IRQ | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Al-Fayyadh, Yamama Asif Abdula | | wc | 1696 | IRQ | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Saba, Jamal Mohammed Abo Alqamach | | | 1500 | IRQ | 0.00 | 1 | -0.77 | 20 | -15.40 | | | A-Ali, Sali Abbas Abdulzahra | | wf | 1871 | IRQ | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Al-Fayyadh, Zainab Asif Abdulah | | | 1715 | IRQ | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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) | | | | Iraq Clubs League for Women 2022 | Bagdad | IRQ | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1707 | 1.00 | 2 | -0.20 | 20 | -4.00 | |
| | Sarezh, Dlshad Hasan | | | 1300 | IRQ | 1.00 | 1 | 0.08 | 20 | 1.60 | | | A-Ali, Sali Abbas Abdulzahra | | wf | 1871 | IRQ | 0.00 | 1 | -0.28 | 20 | -5.60 | |
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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