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Individual Calculations May 2019 |
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| McGregor, John Total change: 25.60 | |   |
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| 2019 Welsh Championships | Cardiff | WLS | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 1856 | 3.00 | 6 | 1.28 | 20 | 25.60 | |
|  Heaven, Pete | | | 2017 | WLS | 1.00 | 1 | 0.71 | 20 | 14.20 | |  Bullen, Alex | c | | 2100 | WLS | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Garcia, Jason | | | 2024 | WLS | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Brown, Thomas | | | 2079 | WLS | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Turner, Joseph David | | | 1846 | WLS | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Jameson, David | | | 2081 | WLS | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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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