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Individual Calculations May 2012 |
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| Abdel Razik, Khaled Total change: 18.90 | |   |
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| Liberation of Libya chess open tournament | Benghazi | LBA | 2012-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2278 | 2415 | 2.50 | 4 | -0.19 | 10 | -1.90 | |
|  Elarbi, Abobker | | | 2268 | LBA | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Labib, Ibrahim Hasan | m | | 2404 | EGY | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Doghri, Nabil | f | | 2335 | TUN | 0.50 | 1 | -0.11 | 10 | -1.10 | |  Madi, Emad | | | 2104 | LBA | 1.00 | 1 | 0.14 | 10 | 1.40 | |
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) | | | | Omar Almokhtar Closed tournament | Benghazi | LBA | 2012-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2245 | 2415 | 7.50 | 9 | 1.03 | 10 | 10.30 | |
| | El-Gehani, Ghassan | | | 2276 | LBA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | El-Mezwaghi, Husein | | | 2205 | LBA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Doghri, Nabil | f | | 2335 | TUN | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Almahjoub, Mokhtar | | | 2189 | LBA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Labib, Ibrahim Hasan | m | | 2404 | EGY | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Salem, Mahjob | | | 2276 | LBA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Mohamed, M Mohamed | | | 2169 | LBA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Elmejbri, Ali A | f | | 2205 | LBA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Bensrity, Mokhtar | | | 2149 | LBA | 0.50 | 1 | -0.32 | 10 | -3.20 | |
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) | | | | Liberation Martyrs | Dernah | LBA | 2012-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2183 | 2415 | 8.00 | 9 | 1.05 | 10 | 10.50 | |
| | Labib, Ibrahim Hasan | m | | 2404 | EGY | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Sadaga, Salah | | | 2126 | LBA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Bensrity, Zakaria | | | 2049 | LBA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Almanby, Sohel | | | 2159 | LBA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Elarbi, Abobker | | | 2268 | LBA | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Mohamed, M Mohamed | | | 2169 | LBA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Aborezika, Mohamed | | | 2126 | LBA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Doghri, Nabil | f | | 2335 | TUN | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Taher, Rami | | | 2015 * | LBA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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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