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Individual Calculations October 2019 |
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| Willow, Jonah B Total change: 24.80 | |   |
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| 1st Welsh Masters | Bridgend | WLS | 2019-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2251 | 2326 | 6.50 | 9 | 1.24 | 20 | 24.80 | |
|  Varley, Peter | f | | 2171 | WLS | 1.00 | 1 | 0.29 | 20 | 5.80 | |  Arkell, Keith C | g | | 2445 | ENG | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Kett, Tim | | | 2245 | WLS | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Turner, Matthew J | g | | 2519 | SCO | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Toczek, Grzegorz | f | | 2246 | WLS | 1.00 | 1 | 0.39 | 20 | 7.80 | | | James, Dai | | | 1926 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rudd, Jack | m | | 2281 | ENG | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Taylor, Adam C | m | | 2402 | ENG | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Waddington, Mike P | f | | 2023 | ENG | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * 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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