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Individual Calculations July 2012 |
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| Rees, Ioan Total change: 19.95 | |   |
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| Welsh Chess Premier League Round 4-7 | Various | WLS | 2012-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2245 | 2291 | 3.00 | 3 | 1.33 | 15 | 19.95 | |
|  Hewitt, William | | | 2070 | WLS | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Varley, Peter | f | | 2268 | WLS | 1.00 | 1 | 0.47 | 15 | 7.05 | |  Jones, Richard S. | f | | 2396 | WLS | 1.00 | 1 | 0.64 | 15 | 9.60 | |
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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