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Individual Calculations May 2011 |
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| Lexton, Michael J Total change: -0.75 | |   |
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| The 57th Welsh Chess Championships | Cardiff | WLS | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2052 | 2.50 | 6 | -0.05 | 15 | -0.75 | |
|  Williams, A. Howard | f | | 2347 | WLS | 0.50 | 1 | 0.35 | 15 | 5.25 | |  Rees, Ioan | f | | 2319 | WLS | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Fathallah, Joe | | | 1906 | WLS | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Pleasants, Allan J | | | 2056 | WLS | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Sands, David A | | | 2238 | ENG | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Thomas, James | | | 1839 | WLS | 0.50 | 1 | -0.27 | 15 | -4.05 | |
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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