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Individual Calculations September 2009 |
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| Eldardery, Alaa Total change: -13.20 | |   |
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| Egy Open 1st Part | Cairo | EGY | 2009-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 2228 | 2.00 | 4 | -0.88 | 15 | -13.20 | |
|  Elgantiry, Ahmed | | | 1956 | EGY | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Saiid, Ibrahim | | | 2074 | EGY | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Hesham, Abdelrahman | c | | 2130 | EGY | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Ahmed, Tamer | | | 2068 | EGY | 0.00 | 1 | -0.71 | 15 | -10.65 | |
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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