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Individual Calculations September 2015 |
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| Saiid, Ibrahim Total change: -16.00 | |   |
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| 16th. Mahalla Open | Mahalla | EGY | 2015-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 2063 | 3.50 | 7 | -0.53 | 20 | -10.60 | |
|  Amin, Ashraf | f | | 2222 | EGY | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Sayed, Mohamed Adel | | | 1686 | EGY | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Yaser, Kareim | | | 1882 | EGY | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Elsenbary, Elsayed | | | 1952 | EGY | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Sayed, Hany | | | 2163 | EGY | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Masoud, Mohamed Helmy | | | 1906 | EGY | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Zayan, Mohamed | f | | 2157 | EGY | 0.00 | 1 | -0.37 | 20 | -7.40 | |
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 |
| 1997 | 2063 | 2.50 | 5 | -0.35 | 20 | -7.00 | |
| | Deraz, Ahmed | | | 1666 | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Abdel Mohsen, Mohamed | | | 1862 | EGY | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Gabr, Mohsen | | | 2212 | EGY | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Ghoneim, Ahmed Mohamed | | | 1912 | EGY | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Hassan, Sayed Barakat | m | | 2333 | EGY | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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 Cup Teams | Cairo | EGY | 2015-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1663 | 2063 | 1.00 | 1 | 0.08 | 20 | 1.60 | |
| | Ryad, Hamed | | | 1663 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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