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Individual Calculations May 2019 |
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| Erhabor, David Total change: -33.20 | |   |
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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 |
| 1794 | 2057 | 3.00 | 6 | -1.66 | 20 | -33.20 | |
|  Tandoh, Charles Raymond Appiah | | | 1657 * | GHA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Osunfuyi , Abimbola | f | | 2243 | NGR | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Ameku, David | | | 1657 * | GHA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Victor, M. Nyepon | | | 1657 * | LBR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Attade, Josias Prosper | | | 1657 * | GHA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kamara, Ansumana | c | | 1891 | SLE | 0.00 | 1 | -0.72 | 20 | -14.40 | | | * 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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