Individual Calculations January 2024 |
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Maafa, Ahmed Total change: -48.40 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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Bejaia Chess Championship - Open 2023 | Bejaia | ALG | 2023-11-24 |
Rc | Ro | w | n | change | K | K*chg | Game |
1091 | 1226 | 1.50 | 4 | -1.21 | 40 | -48.40 | |
| Ait Azzouz, Fouad | | | 1063 | ALG | 0.00 | 1 | -0.72 | 40 | -28.80 | | Abderrahim , Samy | | | 1003 | ALG | 0.50 | 1 | -0.28 | 40 | -11.20 | | Oubouzid, Maher | | | 1067 | ALG | 1.00 | 1 | 0.29 | 40 | 11.60 | | Imestouren, Azwaw | | | 1229 | ALG | 0.00 | 1 | -0.50 | 40 | -20.00 | | 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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