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Individual Calculations September 2015 |
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| Zayan, Osama Total change: 27.60 | |   |
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| 16th. Mahalla Open | Mahalla | EGY | 2015-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2050 | 2215 | 6.00 | 8 | 0.34 | 20 | 6.80 | |
|  Mahrous, Selim | | | 1932 | EGY | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Negm, Ahmed | | | 2059 | EGY | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Amer, Mohamed M. | | | 1886 | EGY | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Mabrook, Hamdy | | | 2023 | EGY | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Ibrahim, Mohamed | | | 2109 | EGY | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Abdel Elah, Ahmed | | | 2101 | EGY | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Magdy, Morad | | | 2070 | EGY | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Amin, Ashraf | f | | 2222 | EGY | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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 |
| 2124 | 2180 | 5.50 | 8 | 1.04 | 20 | 20.80 | |
| | Abdel Mohsen, Mohamed | | | 1862 | EGY | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Rashid, Mohammed | | | 1849 | EGY | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Salem, Sameh | | | 1907 | EGY | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Sadek, Sameh | f | | 2276 | EGY | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Eldesoky, Hatem | f | | 2249 | EGY | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Abdel Razik, Ahmed | | | 2090 | EGY | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Elgabry, Mohsen | m | | 2376 | EGY | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Hesham, Abdelrahman | m | | 2385 | EGY | 0.50 | 1 | 0.26 | 20 | 5.20 | |
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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