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Individual Calculations July 2009 |
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| Krifa, Najla Total change: -23.25 | |   |
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| Open International Hammam Sousse Nov 2008 | Hammam Sousse | TUN | 2008-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 1789 | 0.50 | 4 | -0.31 | 25 | -7.75 | |
|  Daouas, Naceur | | | 1935 | TUN | 0.00 | 1 | -0.30 | 25 | -7.50 | |  Tritar, Kamel | | | 2057 | TUN | 0.50 | 1 | 0.33 | 25 | 8.25 | | | Jarraya, Zied | | | 2128 | TUN | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Bourkhis, Adnen | | | 2007 | TUN | 0.00 | 1 | -0.22 | 25 | -5.50 | |
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) | | | | Championnat National Individuel 2009 | Monastir | TUN | 2009-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1808 | 1.50 | 4 | -0.62 | 25 | -15.50 | |
| | Chikhaoui, Walid | f | | 2158 | TUN | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Matoussi, Amani | | | 1601 | TUN | 0.50 | 1 | -0.27 | 25 | -6.75 | | | Marzouk, Amira | | wc | 1694 | TUN | 0.50 | 1 | -0.16 | 25 | -4.00 | | | Matoussi, Amina | | | 1750 | TUN | 0.50 | 1 | -0.08 | 25 | -2.00 | |
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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