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Individual Calculations May 2018 |
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| Jameson, David Total change: 30.80 | |   |
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| 2018 Welsh Championships | Cardiff | WLS | 2018-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 2033 | 5.00 | 7 | 1.54 | 20 | 30.80 | |
|  Sivarajasingam, Venetia | | wc | 1764 | WLS | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Pleasants, Allan J | | | 2114 | WLS | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Sands, David A | | | 2088 | WLS | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Kett, Tim | | | 2231 | WLS | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Heaven, Pete | | | 2022 | WLS | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Zeidler, Sven P. | f | | 2153 | WLS | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Staniforth, Matthew | | | 1866 | WLS | 0.50 | 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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