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Individual Calculations August 2019 |
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| Attah, Elikem Kofi Total change: 75.40 | |   |
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| 9th President's Cup Chess Championships | Accra | GHA | 2019-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 1664 | 3.00 | 6 | 1.32 | 40 | 52.80 | |
|  Gabah, Richard | | | 1831 | GHA | 1.00 | 1 | 0.72 | 40 | 28.80 | |  Hasford, John Kojo | f | | 1980 | GHA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Adu-Poku, Kwabena | | | 1839 | GHA | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Apemiye, Austin | | | 2019 | NGR | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Kamara, Ansumana | c | | 1895 | SLE | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Gardesey, Marc | | | 1533 | GHA | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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) | | | NOTE: K factor changed | | 4th Dreamfort Chess Tournament | Accra | GHA | 2019-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1796 | 1664 | 3.50 | 7 | 1.13 | 20 | 22.60 | |
| | Hasford, John Kojo | f | | 1980 | GHA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Eshun, Solomon | | | 1513 | GHA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Ajavon, Anthony Obieni | c | | 1880 | GHA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Senyegah, Paul | | | 1576 | GHA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Ameku, Philip Elikem | | | 1926 | GHA | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Anhwere, Bernard | | | 1867 | GHA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Gabah, Richard | | | 1831 | GHA | 1.00 | 1 | 0.72 | 20 | 14.40 | |
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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