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Individual Calculations March 2023 |
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| Jallali, Youssef Total change: 22.80 | |   |
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| Open des Jeunes de la Revolution 2022 U20 | Monastir, Tunisia | TUN | 2022-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1434 | 1231 | 1.50 | 4 | 0.42 | 40 | 16.80 | |
|  Mefteh, Meyssem | | | 1372 | TUN | 1.00 | 1 | 0.69 | 40 | 27.60 | |  Chakroun, Wael | | | 1575 | TUN | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Barrani, Adem | | | 1588 | TUN | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Abdelkefi, Beya | | | 1199 | TUN | 0.50 | 1 | -0.04 | 40 | -1.60 | |
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) | | | | Bicapawn December Chess Tournaments Classic U20 | Bouhjar | TUN | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1328 | 1231 | 2.50 | 6 | 0.15 | 40 | 6.00 | |
| | Dahmani, Sami | c | | 1472 | TUN | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Mallek, Saif | | | 1548 | TUN | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Ben Salha, Ahmed | | | 1023 | TUN | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Saidi, Mohamed Ali | | | 1108 | TUN | 1.00 | 1 | 0.33 | 40 | 13.20 | | | El Behi, Hatem | | | 1542 | TUN | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Kolsi, Mohamed Aziz | | | 1274 | TUN | 0.00 | 1 | -0.44 | 40 | -17.60 | |
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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