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Individual Calculations February 2018 |
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| Sosu, Edward Total change: -10.00 | |   |
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| 2017 GCA National Championships (Open) | Accra | GHA | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1786 | 1788 | 1.00 | 3 | -0.50 | 20 | -10.00 | |
|  Ameku, Philip Elikem | | | 1939 | GHA | 0.00 | 1 | -0.30 | 20 | -6.00 | |  Thompson, Edward Nii Lamptey | c | | 1849 | GHA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Arko-Dadzie, George Kweku | | | 1571 | GHA | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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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