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Individual Calculations May 2015 |
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| Boydia, Sidi Total change: 5.00 | |   |
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| 2015 Zone 4.1 Individual Championships Open | Hammamet | TUN | 2015-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2088 | 4.00 | 8 | 0.25 | 20 | 5.00 | |
|  Boudriga, Med Ali | f | | 2269 | TUN | 0.00 | 1 | -0.26 | 20 | -5.20 | |  Abdellahi, Sidi | | | 1841 | MTN | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Haddouche, Mohamed | g | | 2488 * | ALG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Ben Ammar, Mohamed | | | 1845 | TUN | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Bah, Brema | f | | 2100 | MLI | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Oussedik, Mahfoud | f | | 2204 | ALG | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Hbacha, Achraf | | | 1954 | TUN | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Bouaziz, Mehdi | f | | 2239 | TUN | 1.00 | 1 | 0.70 | 20 | 14.00 | | | * 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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