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Individual Calculations September 2009 |
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| Lotfy, Abdel Rahman Total change: 8.55 | |   |
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| Egy Open 1st Part | Cairo | EGY | 2009-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2076 | 2149 | 5.00 | 8 | 0.31 | 15 | 4.65 | |
|  Hassan, Waleid Ahmed | | | 1800 | EGY | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Magdy, Andro | | | 1891 | EGY | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Salah, Ahmed As | | | 2106 | EGY | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Abdel Ghany, Adel | | | 2187 | EGY | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Ragheb, Malak | | | 2210 | EGY | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Hesham, Abdelrahman | c | | 2130 | EGY | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Fahmy, Osama | | | 2213 | EGY | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Ahmed, Tamer | | | 2068 | EGY | 0.00 | 1 | -0.61 | 15 | -9.15 | |
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) | | | | 5th Asiut International Open | Asiut | EGY | 2009-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2170 | 2149 | 2.50 | 5 | 0.26 | 15 | 3.90 | |
| | Fouad, Abanob | | | 1749 * | EGY | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Ibrahim, Hatim | | | 2320 | EGY | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Rahman, Yehya | m | | 2293 | EGY | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Wageih, Kareim | m | | 2257 | EGY | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Mousa, Ahmed | | | 2231 | EGY | 0.00 | 1 | -0.39 | 15 | -5.85 | | | * 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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