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Individual Calculations September 2009 |
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| Samy, Mahmoud Total change: -36.25 | |   |
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| Egy Open 1st Part | Cairo | EGY | 2009-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 2082 | 1.00 | 4 | -1.45 | 25 | -36.25 | |
|  Shafek, Mohamed | | | 2092 | EGY | 0.00 | 1 | -0.49 | 25 | -12.25 | | | Elkady, Moustafa | | | 1981 | EGY | 1.00 | 1 | 0.36 | 25 | 9.00 | |  Aly Ibrahim, Alaa | | | 2054 | EGY | 0.00 | 1 | -0.54 | 25 | -13.50 | | | Wagdy, Andro | f | | 1866 | EGY | 0.00 | 1 | -0.78 | 25 | -19.50 | |
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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