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Individual Calculations January 2010 |
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| Roberts, David L Total change: -18.00 | |   |
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| London Chess Classic Open | London | ENG | 2009-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 2119 | 3.00 | 8 | -1.20 | 15 | -18.00 | |
|  Williams, Simon K | g | | 2519 * | ENG | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Tenioso, Jaydee | | | 1865 | PHI | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Madan, Augustin | m | | 2384 | ROU | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Cork, David J | | | 1882 | ENG | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Storey, Charles H | f | | 2292 | ENG | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Vachtfeidl, Petr | | | 2019 | CZE | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Boger, Raymond | | | 1959 | NOR | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Doran, Chris | | | 1963 | ENG | 0.00 | 1 | -0.71 | 15 | -10.65 | | | * 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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