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Individual Calculations March 2010 |
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| Mattoussi, Amani Total change: -25.25 | |   |
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| ARAB WOMEN CHAMPIONSHIP 2009 | MARSA | TUN | 2009-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1815 | 1621 | 0.50 | 6 | -1.01 | 25 | -25.25 | |
|  Jalloul, Maya | | wf | 1883 | LIB | 0.00 | 1 | -0.18 | 25 | -4.50 | |  Beddar, Karima | | wc | 1821 | ALG | 0.50 | 1 | 0.26 | 25 | 6.50 | | | Mattoussi, Amina | | | 1763 | TUN | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Krifa, Najla | | wf | 1766 | TUN | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Al-Jelda, Fatma | | | 1826 | SYR | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Al-Hammadi, Fatma | | wf | 1833 | UAE | 0.00 | 1 | -0.23 | 25 | -5.75 | |
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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