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Individual Calculations May 2019 |
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| Oragwu, Chukwunonso Total change: 19.20 | |   |
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| Zone 4.4 Individual Chess Championships 2019 | Accra | GHA | 2019-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 2172 | 7.00 | 9 | 0.96 | 20 | 19.20 | |
|  Ameku, David | | | 1772 * | GHA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Oluwadara, Adegbayi | | | 2010 | NGR | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Thompson, Edward Nii Lamptey | c | | 1829 | GHA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Barcon, Harmon | f | | 1955 | LBR | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Atabor, Job | c | | 1934 | NGR | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Akinwamide, Oluwadamilare | | | 2137 | NGR | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Balogun, Oluwafemi | m | | 2277 | NGR | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Abdulraheem, Abdulrahman Akintoye | | | 2258 | NGR | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Ebosse, Kingue Victor Patrick | f | | 2057 | CMR | 1.00 | 1 | 0.34 | 20 | 6.80 | | | * 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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