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Individual Calculations January 2018 |
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| Leffad , Samy Total change: -16.40 | |   |
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| African Youth 2017 Boys 16 | Cairo | EGY | 2017-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1840 | 1775 | 2.00 | 7 | -0.97 | 40 | -38.80 | |
|  Zrikem, Nassim | c | | 2085 | MAR | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Hany, John | | | 1874 | EGY | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Fouad, Mohamed | | | 1852 | EGY | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Ashraf Arafat, Mohamed | | | 1622 | EGY | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Nshikokola, Mutailenu | f | | 1831 | ZAM | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Abdallah Hussein, Mohamed | | | 1440 | EGY | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Kandil, Adham | m | | 2175 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Semi final Individual Championship 2018 U16 open | Medea | ALG | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1573 | 1775 | 6.50 | 8 | 0.56 | 40 | 22.40 | |
| | Hadjallah, Hadjallah Riadh | | | 1375 * | ALG | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Bakouche, Mahmoud | | | 1470 | ALG | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Benlakehal, Aymen | | | 1599 | ALG | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Benrekia, Yacine | | | 1456 | ALG | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Adrar, Sofiane | f | | 1646 | ALG | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Hamoum, Halim | | | 1651 | ALG | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Atmani, Amine | | | 1744 | ALG | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Idir, Omar | | | 1640 | ALG | 0.50 | 1 | -0.18 | 40 | -7.20 | | | * 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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