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Individual Calculations October 2019 |
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| Atif, Mahgoub Elhassan Total change: -18.20 | |   |
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| 2019 African Amateur Individual Chess Championship (U2300) | Freetown | SLE | 2019-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1975 | 1920 | 3.00 | 9 | -0.91 | 20 | -18.20 | |
|  Oragwu, Chukwunonso | f | | 2199 | NGR | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Kamara, Ansumana | c | | 1925 | SLE | 1.00 | 1 | 0.51 | 20 | 10.20 | |  Degondo, Simplice Armel | f | | 2159 | CIV | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Barcon, Harmon | f | | 1959 | LBR | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Thomas, Saah | | | 1733 | LBR | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Mohamed, Faisal | f | | 2117 | SUD | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Winston Gerald, Mansfield Thomas | | | 1872 | SLE | 1.00 | 1 | 0.43 | 20 | 8.60 | | | James, Tondo | | | 1923 | LBR | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Charles, Haji Kiadii | | | 1884 | LBR | 0.00 | 1 | -0.55 | 20 | -11.00 | |
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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