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Individual Calculations September 2015 |
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| Ibrahim, Sarwat Total change: -0.20 | |   |
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| 16th. Mahalla Open | Mahalla | EGY | 2015-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 2041 | 1.00 | 2 | -0.16 | 20 | -3.20 | |
|  Gabr, Mohsen | | | 2212 | EGY | 0.00 | 1 | -0.27 | 20 | -5.40 | |  Moatamid, Yasser | | | 1692 | EGY | 1.00 | 1 | 0.11 | 20 | 2.20 | |
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 |
| 1961 | 2041 | 6.00 | 10 | 0.15 | 20 | 3.00 | |
| | Abdel Aziz, Ahmed M. | | | 1926 | EGY | 1.00 | 1 | 0.34 | 20 | 6.80 | | | El Nabawy, Nabil | | | 1641 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hassan, Sayed Barakat | m | | 2333 | EGY | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Yousry A.azeim, Ahmed | | | 1761 | EGY | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Eldisy, Mohamed | | | 1798 | EGY | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Deraz, Ahmed | | | 1666 | EGY | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Abbas, Ahmed | | | 1896 | EGY | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Rahman, Yehya | m | | 2230 | EGY | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Elsayed, Moustafa | | | 2185 | EGY | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Ahmed, Ahmed Alaa | | | 2176 | EGY | 0.00 | 1 | -0.32 | 20 | -6.40 | | | * 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) | | |
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