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Individual Calculations September 2012 |
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| Williams, Ron Total change: -18.00 | |   |
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| South Wales International Open 2012 | Penarth | WLS | 2012-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1819 | 1.50 | 6 | -0.60 | 30 | -18.00 | |
|  Kett, Tim | | | 2219 * | WLS | 0.00 | 1 | -0.08 | 30 | -2.40 | |  Rodriguez, Juan Talavera | | | 2061 | WLS | 0.00 | 1 | -0.20 | 30 | -6.00 | | | Davis, Lee | | | 1969 | WLS | 0.00 | 1 | -0.30 | 30 | -9.00 | | | Trombley, Frank | | | 1638 | WLS | 1.00 | 1 | 0.26 | 30 | 7.80 | | | Elwin, Adrian G | | | 1985 | ENG | 0.00 | 1 | -0.28 | 30 | -8.40 | | | Hurn, Robert Aj | | | 1822 | WLS | 0.50 | 1 | 0.00 | 30 | 0.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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