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Individual Calculations December 2018 |
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| Aboulasse, Saad Total change: -144.80 | |   |
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| Arab Chess Individual Championship U8 Open | Hammamet | TUN | 2018-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1075 | 1223 | 1.00 | 4 | -1.78 | 40 | -71.20 | |
|  Salim Jasim, Alblooshi | | | 1012 | UAE | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Karam, Baker | | | 1168 | JOR | 1.00 | 1 | 0.42 | 40 | 16.80 | |  Chelly, Yahya | | | 1065 | TUN | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Ait Azzouz, Fouad | | | 1053 | ALG | 0.00 | 1 | -0.72 | 40 | -28.80 | |
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) | | | | Team 2019 - Top Jeunes r1-3 | FRANCE | FRA | 2018-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1174 | 1223 | 1.00 | 5 | -1.84 | 40 | -73.60 | |
| | Ernst, Luca | | | 1424 | FRA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Villevieille, Theo | | | 1069 | FRA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Rakotomamonjy, Alucard | | | 1163 | FRA | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Arzur, Maia | | | 1136 | FRA | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Horenfeld, Melvil | | | 1080 | FRA | 0.00 | 1 | -0.69 | 40 | -27.60 | |
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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