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Individual Calculations August 2019 |
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| Attoui, Abderrezak Total change: -8.80 | |   |
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| Algerian Individual Chess Championship 2019 Selection | Constantine | ALG | 2019-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1934 | 1880 | 1.50 | 4 | -0.22 | 40 | -8.80 | |
|  Seraoui, Mohcen | | | 2087 | ALG | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Boulrens, Ala Eddine | | | 1929 | ALG | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Gueroui, Nacereddine | | | 1954 | ALG | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Benabdallah , Naim | | | 1765 | ALG | 0.00 | 1 | -0.66 | 40 | -26.40 | |
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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