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Rapid:
Individual Calculations May 2017 |
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| Ait Ali Yahia, Yassine Total change: -16.60 | |   |
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| Open Youm El-Ilm - Alger 2017 | Algiers | ALG | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1851 | 1578 | 0.00 | 2 | -0.39 | 20 | -7.80 | |
|  Boutaleb, Reda | | | 1978 * | ALG | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Benrekia, Anes | | | 1723 | ALG | 0.00 | 1 | -0.31 | 20 | -6.20 | | | * 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) | | | | Open B"Youm El Ilm" Constantine 2017 | Constantine | ALG | 2017-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1325 | 1578 | 2.00 | 3 | -0.44 | 20 | -8.80 | |
| | Bidi, Abdeljalil | | | 1338 | ALG | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Maameri, Redouane | | | 1275 | ALG | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Benyahia, Safin | c | | 1361 | ALG | 0.00 | 1 | -0.78 | 20 | -15.60 | |
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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