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Individual Calculations September 2015 |
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| Mahrous, Selim Total change: -22.00 | |   |
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| 16th. Mahalla Open | Mahalla | EGY | 2015-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1874 | 1932 | 1.00 | 2 | -0.08 | 40 | -3.20 | |
|  Zayan, Osama | | | 2215 | EGY | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Zayan, Alaa | | | 1532 * | EGY | 1.00 | 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) | | | NOTE: K factor changed | | Zagazig Open 2015 | Zagazig | EGY | 2015-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1919 | 1.50 | 4 | -0.63 | 20 | -12.60 | |
| | Ameir, Moheb | m | | 2319 * | EGY | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Ashraf Arafat, Mohamed | | | 1539 | EGY | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Essam Eldin, Moamen | | | 2073 | EGY | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Elsenbary, Yehya | | | 1617 | EGY | 0.50 | 1 | -0.35 | 20 | -7.00 | | | * 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) | | | NOTE: K factor changed | | Egyptian Cup Teams | Cairo | EGY | 2015-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2061 | 1919 | 0.00 | 1 | -0.31 | 20 | -6.20 | |
| | Abdel Aziz, Ehab | | | 2061 | EGY | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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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