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Individual Calculations April 2009 |
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| Basil, Ziana Total change: -41.60 | |   |
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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 | 1801 | 3.50 | 9 | -1.52 | 25 | -38.00 | |
|  Al-Jelda, Fatma | | | 1857 | SYR | 0.50 | 1 | 0.08 | 25 | 2.00 | | | El Attar, Ghaydaa | | wf | 1871 | JOR | 0.00 | 1 | -0.40 | 25 | -10.00 | |  Jaradat, Shorouq Z. | | | 1615 | PLE | 1.00 | 1 | 0.26 | 25 | 6.50 | | | Jemela, Jamaa | | | 1615 | UAE | 1.00 | 1 | 0.26 | 25 | 6.50 | | | Rahouma, Wafa | | | 1451 | LBA | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Ibrahim, Delbak Ismael | | wm | 1887 | IRQ | 0.00 | 1 | -0.38 | 25 | -9.50 | | | Beddar, Karima | | | 1802 | ALG | 0.00 | 1 | -0.50 | 25 | -12.50 | | | Saleh, Nora Mohd | | wf | 1859 | UAE | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Mohammed Salem, Amna | | | 1776 | UAE | 0.00 | 1 | -0.53 | 25 | -13.25 | |
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) | | | NOTE: K factor changed | | Arab Women 2008 | Sharjah | UAE | 2008-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1801 | 1.50 | 5 | -0.24 | 15 | -3.60 | |
| | Mouradian, Knarik | | wm | 2151 | LIB | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Essa, Kulood | | | 1821 | UAE | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Salem, Amna | | | 1772 | UAE | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Hamza, Amira | | | 1872 | ALG | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Mir Mahmoud, Afamia | | | 2024 | SYR | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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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