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Individual Calculations September 2009 |
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| Samy, Amro Total change: -30.30 | |   |
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| Egy Open 1st Part | Cairo | EGY | 2009-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 2130 | 1.00 | 4 | -2.02 | 15 | -30.30 | |
|  Mohsen, Beter | | | 1903 | EGY | 0.00 | 1 | -0.79 | 15 | -11.85 | |  Kotb, Kadry | | | 1894 | EGY | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Aly Ibrahim, Alaa | | | 2054 | EGY | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Refaat, Ibrahim | | | 1853 | 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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