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Individual Calculations August 2018 |
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| McGregor, John Total change: -2.00 | |   |
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| 15th South Wales International Open | Cardiff | WLS | 2018-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1849 | 3.00 | 7 | -0.05 | 40 | -2.00 | |
|  Britton, Richard L | f | | 2249 * | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Williams, David J | | | 1528 | WLS | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Waddington, Mike P | f | | 2110 | ENG | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Fathallah, Joe | | | 1990 | WLS | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Downey, Keith | | | 1824 | WLS | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Maloberti, David | | | 2136 | FRA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Chung, Ethan Cheung Jing | | | 1449 * | WLS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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