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Individual Calculations September 2021 |
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| Marcovici, Adrian Total change: -5.00 | |   |
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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 |
| 1721 | 1851 | 4.50 | 5 | 1.16 | 20 | 23.20 | |
|  Vardi, Moshe | | | 1663 | ISR | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Vainer, Natan | | | 1725 | ISR | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Slav, Moshe | | | 1807 | ISR | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Shafran, Gregory | | | 1806 | ISR | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Zilberov, Leonid | | | 1603 | ISR | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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) | | | | Max Mit Memorial 2021 A | Rishon Lezion | ISR | 2021-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1864 | 1838 | 1.00 | 5 | -1.41 | 20 | -28.20 | |
| | Kaganskiy, Gleb | f | | 2238 * | RUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Tsirilman, Guy | | | 2044 | ISR | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Shefer, Uri | | | 1628 | ISR | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Levy, Zohar | | | 1855 | ISR | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Azoulay, Yehonatan | | | 1557 | ISR | 0.00 | 1 | -0.84 | 20 | -16.80 | | | * 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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