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Individual Calculations April 2009 |
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| Sheded, Ahmed Total change: -21.75 | |   |
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| 11th Mahalla Open | Mahalla | EGY | 2009-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2302 | 2094 | 0.00 | 1 | -0.23 | 15 | -3.45 | |
|  Sadek, Sameh | | | 2302 | EGY | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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 |
| 2141 | 2094 | 0.50 | 4 | -1.22 | 15 | -18.30 | |
| | Ezat, Abdallah | | | 2287 | EGY | 0.50 | 1 | 0.25 | 15 | 3.75 | |  Eldesoky, Hatem | | | 2254 | EGY | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Tork, Mohamed | | | 2204 | EGY | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Refaat, Ibrahim | | | 1818 | EGY | 0.00 | 1 | -0.83 | 15 | -12.45 | |
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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