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Individual Calculations January 2010 |
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| Bortolotti, Silvano Total change: -15.50 | |   |
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| World Senior Championship | Condino | ITA | 2009-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1791 | 2.00 | 10 | -0.62 | 25 | -15.50 | |
|  Wahlund, Bengt | | | 2163 | SWE | 0.00 | 1 | -0.10 | 25 | -2.50 | |  Ilic, Ilija | | | 2038 | AUS | 0.50 | 1 | 0.31 | 25 | 7.75 | | | Rubinstein, Mark | | | 2019 | ISR | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Davydov, Mihail | | | 2061 | GER | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Zurel, Maxim | | | 1903 | ISR | 1.00 | 1 | 0.65 | 25 | 16.25 | | | Preuss, Flemming | | | 2066 | DEN | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Morrow, Hans M | | | 1950 | USA | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Zelkind, Natalya | | | 1851 | USA | 0.50 | 1 | 0.08 | 25 | 2.00 | | | Weinberg, Emanuele | | | 1874 | ITA | 0.00 | 1 | -0.39 | 25 | -9.75 | | | Vladov, Mark | | | 1917 | GER | 0.00 | 1 | -0.33 | 25 | -8.25 | |
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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