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Individual Calculations May 2019 |
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| Jameson, David Total change: 6.40 | |   |
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| 2019 Welsh Championships | Cardiff | WLS | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 2081 | 4.50 | 7 | 0.32 | 20 | 6.40 | |
|  Van Kemenade, Rudy | | | 1925 | WLS | 0.50 | 1 | -0.21 | 20 | -4.20 | |  Davis, Lee | | | 1922 | WLS | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Garcia, Jason | | | 2024 | WLS | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Bullen, Alex | c | | 2100 | WLS | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Kett, Tim | | | 2197 | WLS | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Heaven, Pete | | | 2017 | WLS | 1.00 | 1 | 0.41 | 20 | 8.20 | | | McGregor, John | | | 1856 | WLS | 1.00 | 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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