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Individual Calculations August 2017 |
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| Douissa, Oussama Total change: -12.60 | |   |
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| 2017 African Individual Chess Championships "Open" | Oran | ALG | 2017-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2212 | 2270 | 4.50 | 9 | -0.63 | 20 | -12.60 | |
|  Salhi, Nouressadat | c | | 2034 | ALG | 1.00 | 1 | 0.20 | 20 | 4.00 | |  El Gindy, Essam | g | | 2448 | EGY | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Hamdan, Abderahmane El Hadi | | | 2082 | ALG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Cawdery, Daniel | m | | 2426 | RSA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Farahat, Ali | m | | 2420 | EGY | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Silva, David | m | | 2205 | ANG | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Ounas, Abdelhak | | | 2018 | ALG | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Gueroui, Nacereddine | | | 2029 | ALG | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Talbi, Chafik | f | | 2250 | ALG | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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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