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Individual Calculations April 2009 |
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| El Attar, Ghaydaa Total change: 3.50 | |   |
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| Arab Chess Championship 2008 - Girls U20 | Abu Dhabi | UAE | 2008-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1748 | 1871 | 6.00 | 9 | 0.14 | 25 | 3.50 | |
|  Ibrahim, Delbak Ismael | | wm | 1887 | IRQ | 0.50 | 1 | 0.02 | 25 | 0.50 | |  Basil, Ziana | | wf | 1801 | IRQ | 1.00 | 1 | 0.40 | 25 | 10.00 | | | Beddar, Karima | | | 1802 | ALG | 1.00 | 1 | 0.40 | 25 | 10.00 | | | Jaradat, Shorouq Z. | | | 1615 | PLE | 0.50 | 1 | -0.31 | 25 | -7.75 | | | Saleh, Nora Mohd | | wf | 1859 | UAE | 0.00 | 1 | -0.52 | 25 | -13.00 | | | Jemela, Jamaa | | | 1615 | UAE | 0.50 | 1 | -0.31 | 25 | -7.75 | | | Mohammed Salem, Amna | | | 1776 | UAE | 1.00 | 1 | 0.37 | 25 | 9.25 | | | Rahouma, Wafa | | | 1521 | LBA | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Al-Jelda, Fatma | | | 1857 | SYR | 0.50 | 1 | -0.02 | 25 | -0.50 | |
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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