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Rapid:
Individual Calculations April 2018 |
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| Chami, Mohamed Total change: -76.40 | |   |
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| Coupe d'Algerie 2018 phase regionale Centre | Alger | ALG | 2018-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1423 | 1678 | 0.00 | 4 | -3.03 | 20 | -60.60 | |
|  Mahieddine, Abdallah | | | 1850 | ALG | 0.00 | 1 | -0.27 | 20 | -5.40 | |  Mouzai, Hadil | | | 1278 * | ALG | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Ait Ali Yahia, Lydia | | | 1278 * | ALG | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Omari, Wassim | | | 1285 | ALG | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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) | | | | Open memorial Ould Othmane Brahim | Tipaza | ALG | 2018-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1609 | 1678 | 1.00 | 3 | -0.79 | 20 | -15.80 | |
| | Ghanem, Youcef | | | 1557 | ALG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Amrouche, Mhamed | | | 1638 | ALG | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Slimani , Mahfoud | | | 1631 | ALG | 0.00 | 1 | -0.57 | 20 | -11.40 | |
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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