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Individual Calculations December 2018 |
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| Chelly, Yahya Total change: 10.40 | |   |
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| Arab Chess Individual Championship U8 Open | Hammamet | TUN | 2018-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1114 | 1065 | 2.00 | 4 | 0.26 | 40 | 10.40 | |
|  Ait Azzouz, Fouad | | | 1053 | ALG | 1.00 | 1 | 0.48 | 40 | 19.20 | |  Salim Jasim, Alblooshi | | | 1012 | UAE | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Aboulasse, Saad | | | 1223 | MAR | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Karam, Baker | | | 1168 | JOR | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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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