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Individual Calculations September 2021 |
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| Dotan, Valeria Total change: 3.60 | |   |
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| Israel Senior Championship Semi-final, Lasker Tel Aviv | Tel Aviv | ISR | 2021-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1829 | 1891 | 3.50 | 6 | 0.18 | 20 | 3.60 | |
|  Maliakin, Ita | | | 1516 | ISR | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Peretz, Malkiel | f | | 2140 | ISR | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Zakaria, Ada | | | 2005 | ISR | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Zilbershtein, Victor | | | 1637 | ISR | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Cohen, Danny | | | 1491 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kaldor, Avraham | m | | 2186 | ISR | 0.50 | 1 | 0.35 | 20 | 7.00 | | | * 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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