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Individual Calculations September 2015 |
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| Zayan, Alaa Total change: -27.20 | |   |
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| 16th. Mahalla Open | Mahalla | EGY | 2015-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1915 | 1515 | 0.00 | 4 | -0.32 | 40 | -12.80 | |
|  Sadek, Sameh | f | | 1915 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kamal, Edmon | | | 1915 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Eltunsawy, Mohamed | | | 1915 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mahrous, Selim | | | 1915 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Zagazig Open 2015 | Zagazig | EGY | 2015-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1515 | 0.00 | 4 | -0.36 | 40 | -14.40 | |
| | Hussein, Akram | | | 1915 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Saiid, Aly | | | 1915 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Salem, Sameh | | | 1907 | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rashid, Mohammed | | | 1849 | EGY | 0.00 | 1 | -0.12 | 40 | -4.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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