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Individual Calculations October 2018 |
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| Kahlaoui, Hassen Total change: -6.80 | |   |
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| International Chess Festival Monastir Tunisia 2018 -Open) | Monastir | TUN | 2018-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 1717 | 1.00 | 4 | -0.34 | 20 | -6.80 | |
|  Mezioud, Amina | | wm | 2056 | ALG | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Barrani, Adem | | | 1444 | TUN | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Charfeddine, Akram | | | 1964 | TUN | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Mellah, Mohamed | | | 1953 | ALG | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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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