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Individual Calculations September 2009 |
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| Oatlhotze, Providence Total change: 17.25 | |   |
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| 2009 African Individual Chess Championship (gen) | Tripoli | LBA | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2333 | 2164 | 3.50 | 8 | 1.15 | 15 | 17.25 | |
|  Abdelnabbi, Imed | m | | 2452 | EGY | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Sarwat, Walaa | m | | 2390 | EGY | 0.00 | 1 | -0.21 | 15 | -3.15 | |  Ranaivoharisoa, Alain | | | 2083 | MAD | 0.50 | 1 | -0.11 | 15 | -1.65 | | | El, Kamel Adel Mahmoud | | | 2239 | TUN | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Chahrani, Ibrahim | f | | 2280 | LBA | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Frhat, Ali | m | | 2397 | EGY | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Rizouk, Aimen | g | | 2506 | ALG | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Kaabi, Mejdi | m | | 2313 | TUN | 0.50 | 1 | 0.20 | 15 | 3.00 | |
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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