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Individual Calculations September 2021 |
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| Zilbershtein, Victor Total change: 20.40 | |   |
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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 |
| 1819 | 1637 | 2.50 | 5 | 1.02 | 20 | 20.40 | |
|  Dvorsky, David | | | 1323 | ISR | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Shorek, Mordechai | | | 1808 | ISR | 0.50 | 1 | 0.23 | 20 | 4.60 | |  Peretz, Malkiel | f | | 2037 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Dotan, Valeria | | wf | 1891 | ISR | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Kaldor, Avraham | m | | 2037 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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