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Individual Calculations September 2021 |
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| Sorochan, Mark Total change: -8.60 | |   |
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| Israel senior championship 2021 semifinal. Ashdod 2021 | Ashdod | ISR | 2021-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1584 | 1349 | 0.50 | 4 | -0.43 | 20 | -8.60 | |
|  Vainer, Natan | | | 1725 | ISR | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Kardashov, Vladimir | | | 1338 | ISR | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Kleitman, Alex | | | 1608 | ISR | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Vardi, Moshe | | | 1663 | ISR | 0.00 | 1 | -0.14 | 20 | -2.80 | |
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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