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Rapid:
Individual Calculations April 2023 |
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| Lederman, Leon Total change: -15.80 | |   |
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| Israeli Seniors Championship 2023 | Herzliya | ISR | 2023-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1945 | 2190 | 5.50 | 8 | -0.79 | 20 | -15.80 | |
|  Idesis, Yaacov | | | 1790 * | ISR | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Slonimskij, Arkadij | | | 2035 | RUS | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Vorobyev, Vladimir | | | 1780 | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gal, Moshe | | | 2135 | ISR | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Mayer, Ralph | | | 1947 | ISR | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Meizlin, Yaacov | | | 1974 | ISR | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Bebchuk, Leonid | | | 2024 | ISR | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Segal, Yosef | | | 1877 | ISR | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * 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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