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Individual Calculations April 2009 |
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| Yousry, Salah Total change: 1.50 | |   |
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| 11th Mahalla Open | Mahalla | EGY | 2009-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 2274 | 1.00 | 1 | 0.25 | 15 | 3.75 | |
|  Ameir, Moheb | | | 2081 | EGY | 1.00 | 1 | 0.25 | 15 | 3.75 | |
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) | | | | 1st Elsead Club | Cairo | EGY | 2009-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2169 | 2274 | 5.50 | 9 | -0.15 | 15 | -2.25 | |
| | Adel, Hyssam | | | 2089 | EGY | 0.00 | 1 | -0.74 | 15 | -11.10 | |  Ameir, Moheb | | | 2081 | EGY | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Refaat, Ibrahim | | | 1924 | EGY | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Ragaa, Hassan | | | 2099 | EGY | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Gamal Eldin, Shereif | | | 2079 | EGY | 1.00 | 1 | 0.25 | 15 | 3.75 | | | El Ghazali, Youssef M. | m | | 2367 | EGY | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Mousa, Ahmed | | | 2230 | EGY | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Amin, Ashraf | | | 2315 | EGY | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Abou El Zein, Eid Mahmoud | m | | 2334 | EGY | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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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