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Individual Calculations May 2011 |
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| Thornton, John D Total change: 10.75 | |   |
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| Welsh Chess Premier League | Various | WLS | 2010-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2167 | 2054 | 1.50 | 3 | 0.43 | 25 | 10.75 | |
|  Jones, Iolo C | c | | 2295 | WLS | 0.50 | 1 | 0.30 | 25 | 7.50 | | | Brown, Thomas | | | 2070 | WLS | 0.50 | 1 | 0.02 | 25 | 0.50 | |  Bennett, Alan | | | 2137 | WLS | 0.50 | 1 | 0.11 | 25 | 2.75 | |
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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