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Individual Calculations March 2019 |
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| Leah, Howard Total change: -14.40 | |   |
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| 48th Dyfed Open | Fishguard | WLS | 2019-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1714 | 1613 | 1.50 | 5 | -0.36 | 40 | -14.40 | |
|  Bourne, Johnathan D | | | 1907 | ENG | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Chong, Kimberly | | | 1720 | WLS | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Roberts, Malcolm A | | | 1630 | ENG | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Denham, Colin | | | 1653 | WLS | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Parri, Deio | | | 1659 | WLS | 0.50 | 1 | 0.06 | 40 | 2.40 | |
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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