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Individual Calculations April 2009 |
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| Chakanyuka, Charles Total change: 17.85 | |   |
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| London Christmas Open | Harrow | ENG | 2008-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2131 | 2105 | 4.00 | 6 | 1.19 | 15 | 17.85 | |
|  Basham, Edward P | | | 1886 | ENG | 1.00 | 1 | 0.22 | 15 | 3.30 | |  Crouch, Colin S | m | | 2359 | ENG | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Lewis, Andrew P | f | | 2277 | ENG | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Warman, Simon M | | | 2137 | ENG | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Duvall, Ian | | | 2067 | ENG | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Melnikovs, Svjatoslavs | | | 2062 | LAT | 0.50 | 1 | -0.06 | 15 | -0.90 | |
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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