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Individual Calculations July 2012 |
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| Hewitt, William Total change: -4.50 | |   |
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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 |
| 2113 | 2070 | 1.50 | 4 | -0.30 | 15 | -4.50 | |
|  Rees, Ioan | f | | 2291 | WLS | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Jones, Iolo C | c | | 2246 | WLS | 0.50 | 1 | 0.23 | 15 | 3.45 | |  Taylor, Robert Graham | | | 1957 | WLS | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Fathallah, Joe | | | 1956 | WLS | 0.50 | 1 | -0.16 | 15 | -2.40 | |
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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