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Individual Calculations September 2009 |
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| Abdo, Mohamed Amin Total change: -13.25 | |   |
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| Egy Open 1st Part | Cairo | EGY | 2009-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 1991 | 0.00 | 2 | -0.53 | 25 | -13.25 | |
|  Tahoun, Emad | | | 2169 | EGY | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Kamel, Mahmoud | | | 2178 | EGY | 0.00 | 1 | -0.26 | 25 | -6.50 | |
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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