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Individual Calculations September 2021 |
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| Kaldor, Avraham Total change: -9.60 | |   |
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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 |
| 1866 | 2186 | 5.00 | 6 | -0.08 | 10 | -0.80 | |
|  Cohen, Danny | | | 1786 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Shorek, Mordechai | | | 1808 | ISR | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Peretz, Malkiel | f | | 2140 | ISR | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Waisberg, Arnold | | | 1786 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Zilbershtein, Victor | | | 1786 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Dotan, Valeria | | wf | 1891 | ISR | 0.50 | 1 | -0.35 | 10 | -3.50 | | | * 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) | | | | Liga Alef Shfela 2021 Round 9 | Various | ISR | 2021-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 2186 | 0.00 | 1 | -0.88 | 10 | -8.80 | |
| | Bodenshtein, Yair | | | 1849 | ISR | 0.00 | 1 | -0.88 | 10 | -8.80 | |
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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