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Individual Calculations July 2010 |
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| Tahan, Sabri Total change: -14.10 | |   |
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| Egyptian League 2009/2010 Final Stage | Many Cities | EGY | 2010-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2272 | 2314 | 3.00 | 5 | 0.22 | 15 | 3.30 | |
|  Elgabry, Mohsen | m | | 2297 | EGY | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Elsayed, Moustafa | | | 2227 | EGY | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Fatehy, Tarek | | | 2239 | EGY | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Atea, Saad | | | 2299 | EGY | 1.00 | 1 | 0.48 | 15 | 7.20 | |  Atea, Saad | | | 2299 | EGY | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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 Heliopolis International Open | Cairo | EGY | 2010-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2197 | 2309 | 4.00 | 8 | -1.16 | 15 | -17.40 | |
| | Yusef, Naser | | | 2110 | EGY | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Abo Nar, Mohamed | | | 2173 | EGY | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Ameir, Moheb | c | | 2165 | EGY | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Fekri, Wael | | | 2059 | EGY | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Elgabry, Mohsen | m | | 2302 | EGY | 1.00 | 1 | 0.49 | 15 | 7.35 | | | El Ghazali, Youssef M. | m | | 2358 | EGY | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Tork, Mohamed | | | 2196 | EGY | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Salah, Sayed | | | 2216 | EGY | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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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