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Individual Calculations September 2009 |
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| Ahmed, Tamer Total change: 19.95 | |   |
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| Egy Open 1st Part | Cairo | EGY | 2009-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2192 | 2068 | 3.00 | 5 | 1.33 | 15 | 19.95 | |
|  Fahmy, Osama | | | 2213 | EGY | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Eldardery, Alaa | | | 2228 | EGY | 1.00 | 1 | 0.71 | 15 | 10.65 | |  Zayan, Osama | | | 2183 | EGY | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Abdel Ghany, Adel | | | 2187 | EGY | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Lotfy, Abdel Rahman | | | 2149 | EGY | 1.00 | 1 | 0.61 | 15 | 9.15 | |
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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