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Individual Calculations September 2018 |
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| Vickery, Jim E Total change: -10.00 | |   |
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| 105th British Championships Weekend Open | Hull | ENG | 2018-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1852 | 1975 | 1.50 | 3 | -0.50 | 20 | -10.00 | |
|  Graff, Ben | | | 1863 | ENG | 0.50 | 1 | -0.15 | 20 | -3.00 | |  Somton, Anita | | | 1843 | ENG | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Ilett, Raymond J | | | 1850 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | |
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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