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Individual Calculations February 2018 |
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| Ashley, Christiana Naa Merley Total change: -48.80 | |   |
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| 2017 GCA National Championships (Women) | Accra | GHA | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1232 | 1308 | 4.50 | 10 | -1.22 | 40 | -48.80 | |
|  Felix, Tobi | | | 1379 | GHA | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Sena, Sarah | | | 908 * | GHA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  George, Keziah Narkwor | | | 1078 | GHA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Ayiku, Angela Naa Amerley | | wf | 1408 | GHA | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Allotey, Dorcas | | | 1386 | GHA | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Felix, Tobi | | | 1379 | GHA | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Sena, Sarah | | | 908 * | GHA | 0.00 | 1 | -0.92 | 40 | -36.80 | | | George, Keziah Narkwor | | | 1078 | GHA | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Ayiku, Angela Naa Amerley | | wf | 1408 | GHA | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Allotey, Dorcas | | | 1386 | GHA | 1.00 | 1 | 0.61 | 40 | 24.40 | | | * 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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