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Rapid:
Individual Calculations May 2017 |
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| Dekkiche, Mohamed Rafik Total change: -42.40 | |   |
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| Open Youm El-Ilm - Alger 2017 | Algiers | ALG | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1625 | 1625 | 1.00 | 2 | 0.00 | 20 | 0.00 | |
|  Oussedik, Mahfoud | m | | 2025 * | ALG | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Ait Ali Yahia, Lydia | | | 1225 * | ALG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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 B"Youm El Ilm" Constantine 2017 | Constantine | ALG | 2017-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1356 | 1625 | 2.00 | 5 | -2.12 | 20 | -42.40 | |
| | Benkolli, Adel | | | 1371 | ALG | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Beghriche, Rami Tadjeddine | | | 1311 | ALG | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Talamali , Walid | | | 1344 | ALG | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Khetabi, Radi | | | 1414 | ALG | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Bidi, Abdeljalil | | | 1338 | ALG | 1.00 | 1 | 0.16 | 20 | 3.20 | |
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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