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Individual Calculations September 2015 |
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| Charfeddine, Akrem Total change: -12.60 | |   |
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| 1er open de Tunis | Tunis | TUN | 2015-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1834 | 1961 | 2.00 | 4 | -0.63 | 20 | -12.60 | |
|  Kilani, Kamel | | | 2023 | TUN | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Remadi, Zied | | | 1857 | TUN | 0.00 | 1 | -0.64 | 20 | -12.80 | |  Hmida, Mhamed | | | 1690 | TUN | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Matoussi, Amina | | wf | 1765 | TUN | 1.00 | 1 | 0.25 | 20 | 5.00 | |
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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