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Individual Calculations May 2010 |
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| Turner, Joseph David Total change: -19.80 | |   |
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| Welsh Championships 2010 | Cardiff | WLS | 2010-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 2001 | 1.00 | 4 | -1.32 | 15 | -19.80 | |
|  Garcia, Jason | | | 2005 | WLS | 0.00 | 1 | -0.49 | 15 | -7.35 | |  Thomas, James | | | 1870 | WLS | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Blackburn, Suzie G. | | wf | 1912 | WLS | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Van Kemenade, Rudy | | | 1983 | WLS | 0.00 | 1 | -0.53 | 15 | -7.95 | |
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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