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Individual Calculations September 2010 |
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| Lotfy, Abdel Rahman Total change: 0.90 | |   |
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| Egyptian Cup 2010 | Cairo | EGY | 2010-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2289 | 2168 | 1.50 | 4 | -0.02 | 15 | -0.30 | |
|  Negm, Ahmed | | | 2113 | EGY | 0.50 | 1 | -0.08 | 15 | -1.20 | |  Elsayed, Ahmed | | | 2000 | EGY | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Abdel Razik, Khaled | m | | 2480 | EGY | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Amin, Bassem | g | | 2563 | EGY | 0.00 | 1 | -0.08 | 15 | -1.20 | |
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) | | | | 6th Assiut Open 2010 | Assiut | EGY | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 2161 | 4.00 | 7 | 0.08 | 15 | 1.20 | |
| | Magdy, Ahmed | | | 1761 * | EGY | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Mekki, Nagy | | | 2264 | EGY | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Eldesoky, Hatem | | | 2227 | EGY | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Mokhtar, Ahmed | | | 2301 | EGY | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Nagdy, Wael | | | 1927 | EGY | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Naby, Saiid A. | | | 2284 | EGY | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Salem, Sameh | | | 1922 | EGY | 1.00 | 1 | 0.20 | 15 | 3.00 | | | * 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) | | |
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