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Individual Calculations March 2012 |
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| Twomey, Pat Total change: -9.90 | |   |
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| London Christmas Open 2011 | London | ENG | 2011-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 1833 | 1.00 | 4 | -0.66 | 15 | -9.90 | |
|  Warman, Simon M | | | 2056 | ENG | 0.00 | 1 | -0.22 | 15 | -3.30 | |  Chakanyuka, Charles | | | 2103 | ZIM | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Cavendish, Joshua Z | | | 1589 | ENG | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Barr, Gabriel J | | | 1854 | ENG | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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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