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Individual Calculations September 2018 |
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| Al Khateeb, Taher Total change: -6.40 | |   |
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| 2018 Midland Open Championship Open | Telford | ENG | 2018-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 1992 | 2.00 | 4 | -0.32 | 20 | -6.40 | |
|  Akeya-Price, Robert | | | 1781 | ENG | 0.00 | 1 | -0.77 | 20 | -15.40 | |  Gostelow, David W | | | 1924 | ENG | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Somton, Anita | | | 1861 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | | | James, Russell A | | | 2159 | ENG | 0.00 | 1 | -0.28 | 20 | -5.60 | |
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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