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Individual Calculations September 2011 |
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| Saad, Ahmed Mohamed Total change: -64.50 | |   |
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| 13th Mahalla Open 2011 | Mahalla | EGY | 2011-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 2081 | 1.00 | 4 | -0.75 | 30 | -22.50 | |
|  Eldesoky, Hatem | | | 2274 | EGY | 0.00 | 1 | -0.25 | 30 | -7.50 | | | Salah, Sayed | | | 2175 | EGY | 0.00 | 1 | -0.37 | 30 | -11.10 | |  Magdy, Ahmed | | | 1684 | EGY | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Hesham, Abdelrahman | f | | 2309 | EGY | 0.00 | 1 | -0.21 | 30 | -6.30 | |
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) | | | | 2nd Somooha Closed | Cairo | EGY | 2011-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 2081 | 0.00 | 3 | -1.40 | 30 | -42.00 | |
| | Raslan, Moustafa | | | 2112 | EGY | 0.00 | 1 | -0.46 | 30 | -13.80 | | | Mosallam, Hosam | | | 2067 | EGY | 0.00 | 1 | -0.52 | 30 | -15.60 | | | Rashed, Nabil | | | 2139 | EGY | 0.00 | 1 | -0.42 | 30 | -12.60 | |
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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