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Individual Calculations September 2009 |
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| Al-Zayat, Ahmed Total change: 2.70 | |   |
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| 2009 African Individual Chess Championship (gen) | Tripoli | LBA | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2194 | 1969 | 2.00 | 8 | 0.18 | 15 | 2.70 | |
|  Haddouche, Mohamed | m | | 2329 | ALG | 0.00 | 1 | -0.10 | 15 | -1.50 | |  El, Kamel Adel Mahmoud | | | 2239 | TUN | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Shabash, Abdullatief Mohamed | | | 2193 | LBA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Asabri, Hussien | f | | 2220 | LBA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Obiamiwe, Paul | | | 2043 | NGR | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Salem, Ali Maoloud | | | 2131 | LBA | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Humrana, Mostafa | | | 2114 | LBA | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Chahrani, Ibrahim | f | | 2280 | LBA | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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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