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Individual Calculations September 2009 |
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| Saiid, Ibrahim Total change: -10.50 | |   |
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| Egy Open 1st Part | Cairo | EGY | 2009-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2074 | 1.50 | 4 | -0.70 | 15 | -10.50 | |
|  Eldardery, Alaa | | | 2228 | EGY | 0.00 | 1 | -0.29 | 15 | -4.35 | |  Hassan, Waleid Ahmed | | | 1800 | EGY | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Fahmy, Osama | | | 2213 | EGY | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Labib, Hazem | | | 1861 | EGY | 0.50 | 1 | -0.27 | 15 | -4.05 | |
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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