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Individual Calculations August 2017 |
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| Boudriga, Med Ali Total change: -13.80 | |   |
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| 2017 African Individual Chess Championships "Open" | Oran | ALG | 2017-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2238 | 2348 | 5.00 | 9 | -0.69 | 20 | -13.80 | |
|  Odendaal, Frederick | | | 2038 | RSA | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Arab, Adlane | m | | 2476 | ALG | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Cawdery, Daniel | m | | 2426 | RSA | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Belouadah, Saad | m | | 2400 | ALG | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Talbi, Chafik | f | | 2250 | ALG | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Bouzidi, Ahmed | c | | 2193 | TUN | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Silva, David | m | | 2205 | ANG | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Boudaoud, Khaled | | | 2139 | ALG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Ounas, Abdelhak | | | 2018 | ALG | 1.00 | 1 | 0.12 | 20 | 2.40 | |
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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