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Rapid:
Individual Calculations May 2015 |
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| Mostefaoui, Ishak Total change: 3.40 | |   |
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| Open Youm El Ilm 2015 | Algiers | ALG | 2015-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1904 | 2.00 | 4 | 0.17 | 20 | 3.40 | |
|  Talbi, Boumedienne | | | 2123 | ALG | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Hamira, Abdelatif | | | 2025 | ALG | 0.00 | 1 | -0.34 | 20 | -6.80 | |  Chekired, Okba | | | 1592 | ALG | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Djeddi, Mohamed | | | 1968 | ALG | 1.00 | 1 | 0.59 | 20 | 11.80 | |
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) | | |
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