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Individual Calculations August 2018 |
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| Waterfield, John W Total change: 6.60 | |   |
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| 15th South Wales International Open | Cardiff | WLS | 2018-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2005 | 1916 | 3.50 | 8 | 0.33 | 20 | 6.60 | |
|  Bates, Richard A | m | | 2316 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | House, Glenn L | f | | 2204 | ENG | 0.50 | 1 | 0.34 | 20 | 6.80 | |  Pleasants, Allan J | | | 2092 | WLS | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Williams, Ron | | | 1681 | WLS | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Rudd, Jack | m | | 2244 | ENG | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Taylor, Robert Graham | | | 1847 | WLS | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Chung, Ethan Cheung Jing | | | 1516 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Maloberti, David | | | 2136 | FRA | 0.50 | 1 | 0.28 | 20 | 5.60 | | | * 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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