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Individual Calculations April 2009 |
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| Essa, Kulood Total change: 16.65 | |   |
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| Arab Girls U 16 Chess Championship - 2008 | Abu Dhabi | UAE | 2008-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1766 | 1.50 | 3 | -0.04 | 15 | -0.60 | |
|  Latreche, Sabrina | | wf | 2023 | ALG | 0.50 | 1 | 0.32 | 15 | 4.80 | |  Abdulaziz, Eman | | wf | 1693 | UAE | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Safar, Alshaymaa | | | 1568 | QAT | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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) | | | | Arab Women 2008 | Sharjah | UAE | 2008-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 1821 | 3.50 | 6 | 1.40 | 15 | 21.00 | |
| | Basil, Ziana | | wf | 1801 | IRQ | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Latreche, Sabrina | | wf | 2023 | ALG | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Algildah, Nibal | | wm | 1949 | SYR | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Al-Jelda, Fatma | | | 1857 | SYR | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Mouradian, Knarik | | wm | 2154 | LIB | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Hamza, Amira | | | 1872 | ALG | 1.00 | 1 | 0.57 | 15 | 8.55 | |
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) | | | | Arcapita Open | Manama | BRN | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2158 | 1830 | 0.00 | 2 | -0.25 | 15 | -3.75 | |
| | Shoker, Samy | m | | 2180 | FRA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Al Sulaiti, Ali | | | 2136 | BRN | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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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