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Individual Calculations October 2019 |
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| Oragwu, Chukwunonso Total change: 20.40 | |   |
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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 |
| 1951 | 2199 | 7.50 | 9 | 0.38 | 20 | 7.60 | |
|  Atif, Mahgoub Elhassan | | | 1920 | SUD | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Degondo, Simplice Armel | f | | 2159 | CIV | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Barcon, Harmon | f | | 1959 | LBR | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Thomas, Saah | | | 1799 * | LBR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mohamed, Faisal | f | | 2117 | SUD | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Winston Gerald, Mansfield Thomas | | | 1872 | SLE | 1.00 | 1 | 0.13 | 20 | 2.60 | | | James, Tondo | | | 1923 | LBR | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Charles, Haji Kiadii | | | 1884 | LBR | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Kamara, Ansumana | c | | 1925 | SLE | 1.00 | 1 | 0.17 | 20 | 3.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 1st UNIBEN CHESS OPENS | BENIN | NGR | 2019-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 2199 | 4.00 | 5 | 0.64 | 20 | 12.80 | |
| | Okeke, Issac | | | 1799 * | NGR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nesimeye, Okuma Ejomafuvwe | | | 2090 | NGR | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Nwala, Emmanuel | | | 1974 | NGR | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Koko, Obubele | | | 2144 | NGR | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Osunfuyi , Abimbola | f | | 2250 | NGR | 0.50 | 1 | 0.07 | 20 | 1.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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