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Individual Calculations July 2012 |
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| Jones, Iolo C Total change: -7.35 | |   |
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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 |
| 2049 | 2246 | 2.50 | 4 | -0.49 | 15 | -7.35 | |
|  Bennett, Alan | | | 2118 | WLS | 1.00 | 1 | 0.33 | 15 | 4.95 | |  Hewitt, William | | | 2070 | WLS | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Cunliffe, Sd | | | 1956 | WLS | 0.00 | 1 | -0.84 | 15 | -12.60 | | | Thornton, John D | | | 2050 | WLS | 1.00 | 1 | 0.25 | 15 | 3.75 | |
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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