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Individual Calculations May 2011 |
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| Brown, Thomas Total change: -0.90 | |   |
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| Welsh Chess Premier League | Various | WLS | 2010-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 2070 | 0.50 | 2 | -0.65 | 15 | -9.75 | |
|  Thornton, John D | | | 2054 | WLS | 0.50 | 1 | -0.02 | 15 | -0.30 | |  Davis, Lee | | | 1974 | WLS | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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) | | | | The 57th Welsh Chess Championships | Cardiff | WLS | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 2070 | 4.00 | 7 | 0.59 | 15 | 8.85 | |
| | Thomas, James | | | 1839 | WLS | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Pleasants, Allan J | | | 2056 | WLS | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Jones, Richard S. | f | | 2369 | WLS | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Garcia, Jason | | | 2010 | WLS | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Davis, Lee | | | 1974 | WLS | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Jameson, David | | | 2088 | WLS | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Zeidler, Sven P. | f | | 2247 | WLS | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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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