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Individual Calculations August 2018 |
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| Fathallah, Joe Total change: -8.00 | |   |
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| 15th South Wales International Open | Cardiff | WLS | 2018-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 1990 | 5.00 | 9 | -0.40 | 20 | -8.00 | |
|  Turner, Matthew J | g | | 2390 * | SCO | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Harris, Calum | | | 1743 | WLS | 0.00 | 1 | -0.81 | 20 | -16.20 | | | O`rourke, Kevin | | | 1590 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Williams, Ron | | | 1681 | WLS | 0.50 | 1 | -0.36 | 20 | -7.20 | | | McGregor, John | | | 1849 | WLS | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Sivarajasingam, Shayanna | | wc | 1780 | WLS | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Kett, Tim | | | 2230 | WLS | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Downey, Keith | | | 1824 | WLS | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Van Onzen, Jeroen | | | 2102 | NED | 1.00 | 1 | 0.65 | 20 | 13.00 | | | * 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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