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Individual Calculations January 2019 |
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| Mariam, Essa Total change: -22.40 | |   |
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| UAE Team Chess Championship 2018 (Women) | Emirates | UAE | 2018-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1317 | 1537 | 2.00 | 3 | -0.31 | 40 | -12.40 | |
|  Al-Moaamari, Mozah | | | 1418 | UAE | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Latifah, Darmaki | | | 1261 | UAE | 0.00 | 1 | -0.83 | 40 | -33.20 | | | Rayan, Mohammad Ali Hassan | | | 1273 | UAE | 1.00 | 1 | 0.18 | 40 | 7.20 | |
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) | | | | Arab Indv. Chess Championship 2018(Women) | Dubai | UAE | 2018-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1716 | 1619 | 2.50 | 7 | -0.25 | 40 | -10.00 | |
| | Boshra, Alshaeby | | wf | 2019 * | JOR | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Rouda Essa, Alserkal | | wc | 1635 | UAE | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Heba, Assi | | | 1560 | PLE | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Marzouk, Amira | | wf | 1708 | TUN | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Hamza, Amira | | wm | 1900 | ALG | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Yousfi, Yasmine | | | 1555 | ALG | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Almaini, Aishah Sarhan | | | 1632 | UAE | 0.50 | 1 | 0.02 | 40 | 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) | | |
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