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Individual Calculations April 2009 |
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| Mohammed Salem, Amna Total change: -14.70 | |   |
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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 | 1776 | 4.00 | 9 | -0.74 | 15 | -11.10 | |
|  Jaradat, Shorouq Z. | | | 1615 | PLE | 1.00 | 1 | 0.29 | 15 | 4.35 | |  Jemela, Jamaa | | | 1615 | UAE | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Rahouma, Wafa | | | 1426 | LBA | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Ibrahim, Delbak Ismael | | wm | 1887 | IRQ | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Beddar, Karima | | | 1802 | ALG | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Saleh, Nora Mohd | | wf | 1859 | UAE | 0.50 | 1 | 0.11 | 15 | 1.65 | | | El Attar, Ghaydaa | | wf | 1871 | JOR | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Al-Jelda, Fatma | | | 1857 | SYR | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Basil, Ziana | | wf | 1801 | IRQ | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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 |
| 1899 | 1772 | 0.50 | 4 | -0.84 | 15 | -12.60 | |
| | Mezioud, Amina | | wm | 2028 | ALG | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Hamza, Amira | | | 1872 | ALG | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Basil, Ziana | | wf | 1801 | IRQ | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Al-Harmoudi, Mona | | wm | 1896 | UAE | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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 |
| 2011 | 1755 | 1.00 | 2 | 0.60 | 15 | 9.00 | |
| | Mohamed, Sheer | | | 1917 | BRN | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Al Sulaiti, Ali | | | 2105 | BRN | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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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