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Individual Calculations April 2009 |
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| Mona, Khaled Total change: 71.70 | |   |
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| Arab Women 2008 | Sharjah | UAE | 2008-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1981 | 6.00 | 7 | 2.68 | 15 | 40.20 | |
|  Latreche, Sabrina | | wf | 2023 | ALG | 0.50 | 1 | 0.06 | 15 | 0.90 | |  Mir Mahmoud, Afamia | | | 2024 | SYR | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Mouradian, Knarik | | wm | 2154 | LIB | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Hamza, Amira | | | 1872 | ALG | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Algildah, Nibal | | wm | 1949 | SYR | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Fuad, Natalie | | wm | 1948 | JOR | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Mezioud, Amina | | wm | 2028 | ALG | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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) | | | | 11th Mahalla Open | Mahalla | EGY | 2009-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2016 | 2.00 | 3 | 1.15 | 15 | 17.25 | |
| | Abdou, Mohamed Hamdy | | | 2130 | EGY | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Kamel, Mahmoud | | | 2205 | EGY | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Tork, Mohamed | | | 2204 | EGY | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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) | | | | Boys Under 16 | Cairo | EGY | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 2016 | 0.00 | 1 | -0.41 | 15 | -6.15 | |
| | Ameir, Moheb | | | 2081 | EGY | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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 Elsead Club | Cairo | EGY | 2009-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2104 | 2016 | 4.50 | 8 | 1.36 | 15 | 20.40 | |
| | Abdel Fadil, Mohamed | | | 2228 | EGY | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Zayan, Osama | | | 2167 | EGY | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Yehya, Mohamed | | | 2022 | EGY | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Ehab, Mohamed | | | 1886 | EGY | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Ragaa, Hassan | | | 2099 | EGY | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Abou El Zein, Eid Mahmoud | m | | 2334 | EGY | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Wagdy, Andro | f | | 1872 | EGY | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Mansour, Salah | | | 2223 | EGY | 1.00 | 1 | 0.77 | 15 | 11.55 | |
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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