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Individual Calculations August 2017 |
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| Farahat, Ali Total change: -17.70 | |   |
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| 2017 African Individual Chess Championships "Open" | Oran | ALG | 2017-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 2420 | 5.00 | 9 | -1.77 | 10 | -17.70 | |
|  Van Zyl-Rudd, Jack | f | | 2125 | RSA | 0.00 | 1 | -0.85 | 10 | -8.50 | |  Chipanga, Takaedza | | | 2068 | ZIM | 0.00 | 1 | -0.89 | 10 | -8.90 | | | Moulay, Mehdi | | | 2055 | ALG | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Salhi, Nouressadat | c | | 2034 | ALG | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Douissa, Oussama | | | 2270 | TUN | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Bengherabi, Khalil | f | | 2230 | ALG | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Amin, Bassem | g | | 2672 | EGY | 0.00 | 1 | -0.19 | 10 | -1.90 | | | Silva, David | m | | 2205 | ANG | 0.00 | 1 | -0.77 | 10 | -7.70 | | | Ghabache, Nour-Eddine | | | 2168 | ALG | 1.00 | 1 | 0.19 | 10 | 1.90 | |
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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