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Individual Calculations September 2021 |
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| Shorek, Mordechai Total change: 9.40 | |   |
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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 |
| 1798 | 1808 | 3.50 | 6 | 0.47 | 20 | 9.40 | |
|  Zakaria, Ada | | | 2005 | ISR | 1.00 | 1 | 0.75 | 20 | 15.00 | |  Kaldor, Avraham | m | | 2186 | ISR | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Zilbershtein, Victor | | | 1637 | ISR | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Cohen, Danny | | | 1413 | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Peretz, Malkiel | f | | 2140 | ISR | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Dvorsky, David | | | 1408 * | ISR | 1.00 | 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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