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Individual Calculations July 2010 |
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| Mahdy, Tawfeik Total change: -14.55 | |   |
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| Egyptian League 2009/2010 Final Stage | Many Cities | EGY | 2010-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 2131 | 2.00 | 3 | 0.46 | 15 | 6.90 | |
|  Elswefy, Amro | | | 2059 | EGY | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Lotfy, Abdel Rahman | | | 2154 | EGY | 0.50 | 1 | 0.03 | 15 | 0.45 | |  Lotfy, Abdel Rahman | | | 2154 | EGY | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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) | | | | 2nd Heliopolis International Open | Cairo | EGY | 2010-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 2125 | 2.00 | 7 | -1.43 | 15 | -21.45 | |
| | Amin, Ashraf | | | 2314 | EGY | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Elsayed, Alaa Eldin | | | 2031 | EGY | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Saber, Ibrahim | | | 2219 | EGY | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Elgabry, Mohsen | m | | 2302 | EGY | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Gamal Eldin, Shereif | | | 2046 | EGY | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Abdel Sattar, Magdy | | | 2047 | EGY | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Labib, Hazem | | | 1981 | EGY | 0.00 | 1 | -0.69 | 15 | -10.35 | |
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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