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Individual Calculations January 2011 |
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| Lavi, Idan Total change: -2.70 | |   |
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| Intl. Festival PT 2010 Open | Petach Tikva | ISR | 2010-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1957 | 2134 | 2.00 | 3 | -0.18 | 15 | -2.70 | |
|  Yusuphanova, Sadi-Carolin | | | 1924 | ISR | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Drori, Saar | | | 1903 | ISR | 1.00 | 1 | 0.21 | 15 | 3.15 | |  Mindlin, Alon | | | 2045 | ISR | 0.50 | 1 | -0.12 | 15 | -1.80 | |
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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