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Individual Calculations May 2019 |
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| Turner, Joseph David Total change: 5.40 | |   |
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| 2019 Welsh Championships | Cardiff | WLS | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1846 | 3.00 | 7 | 0.27 | 20 | 5.40 | |
|  Heaven, Pete | | | 2017 | WLS | 0.50 | 1 | 0.23 | 20 | 4.60 | |  Yeo, Gareth | | | 1963 | WLS | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Fathallah, Joe | | | 1958 | WLS | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Davis, Lee | | | 1922 | WLS | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Van Kemenade, Rudy | | | 1925 | WLS | 0.50 | 1 | 0.11 | 20 | 2.20 | | | McGregor, John | | | 1856 | WLS | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Rathbone-Jones, Ifan | | | 1854 | WLS | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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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