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Individual Calculations July 2008 |
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| Toubal, Hayat Total change: 18.00 | |   |
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| 5th mediterranean chess championship | Hammam Sousse | TUN | 2007-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2085 | 1949 | 2.00 | 6 | -0.03 | 25 | -0.75 | |
|  Haddouche, Mohamed | m | | 2296 | ALG | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Zenaidi, Kais | | | 1977 | TUN | 1.00 | 1 | 0.54 | 25 | 13.50 | | | El Kamel, Adel Mahmoud | | | 2222 | TUN | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Ismail, Shereif | f | | 2178 | EGY | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Zerafa, Patrick | | | 1953 | MLT | 0.50 | 1 | 0.01 | 25 | 0.25 | | | Elfelo, Khadija | | wf | 1885 | LBA | 0.50 | 1 | -0.09 | 25 | -2.25 | |
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) | | | | Arab Women Chess Championship 2007 | Taaz | YEM | 2007-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 1949 | 2.50 | 4 | 0.75 | 25 | 18.75 | |
| | Hamza, Amira | | | 1961 | ALG | 1.00 | 1 | 0.52 | 25 | 13.00 | | | Salem, Amna | | | 1782 | UAE | 1.00 | 1 | 0.28 | 25 | 7.00 | | | Mouradian, Knarik | | wm | 2161 | LIB | 0.50 | 1 | 0.27 | 25 | 6.75 | | | Latreche, Sabrin | | wf | 2083 | ALG | 0.00 | 1 | -0.32 | 25 | -8.00 | |
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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