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Individual Calculations July 2015 |
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| Zayan, Osama Total change: -7.20 | |   |
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| Egyptian League 2014/2015 (A) | Many Cities | EGY | 2014-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 2258 | 3.50 | 4 | -0.11 | 20 | -2.20 | |
|  Shaheen, Sameh | | | 1858 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Shehata, Ashraf | | | 1858 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Nagdy, Wael | | | 1912 | EGY | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Fady, Amro | | | 1924 | EGY | 1.00 | 1 | 0.12 | 20 | 2.40 | | | * 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) | | | | Egyptian League 2014/2015 | Cairo | EGY | 2015-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 2222 | 0.50 | 1 | -0.25 | 20 | -5.00 | |
| | Saiid, Ibrahim | | | 2028 | EGY | 0.50 | 1 | -0.25 | 20 | -5.00 | |
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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