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Individual Calculations December 2018 |
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| Roberts, Paul Total change: -24.00 | |   |
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| 2018 South Wales Autumn Open | Newport | WLS | 2018-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 2171 | 3.00 | 5 | -1.20 | 20 | -24.00 | |
|  Whitehead, Mark A | | | 1922 | ENG | 0.50 | 1 | -0.31 | 20 | -6.20 | |  Fathallah, Joe | | | 1963 | WLS | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Turner, Joseph David | | | 1860 | WLS | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Chung, Ethan Cheung Jing | | | 1771 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bevan, Peter M | | | 1884 | WLS | 1.00 | 1 | 0.16 | 20 | 3.20 | | | * 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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