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Individual Calculations August 2021 |
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| Sitbon, Itay Total change: 17.00 | |   |
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| Kiryat Ono Start of Summer 2021 A | Kiryat Ono | ISR | 2021-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1637 | 1748 | 3.00 | 5 | -0.19 | 20 | -3.80 | |
|  Duchan, Yoav | | | 1512 | ISR | 0.00 | 1 | -0.80 | 20 | -16.00 | |  Eskenazi, Joy | | | 1668 | ISR | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Shaul Seidner, Liad | | | 1771 | ISR | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Lotsov Har-Zahav, Avraham | | | 1768 | ISR | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Qasem, Muhamad Mody | | | 1467 | ISR | 1.00 | 1 | 0.16 | 20 | 3.20 | |
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) | | | | 11th Kiryat Ono Summer Festival Open A | Kiryat Ono | ISR | 2021-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2231 | 1849 | 1.50 | 5 | 1.04 | 20 | 20.80 | |
| | Cohen, Or | f | | 2249 * | ISR | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Solomon, Asif | f | | 2249 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Tratatovici, Dan | | | 2157 | ISR | 1.00 | 1 | 0.86 | 20 | 17.20 | | | Gorodetzky, Matan | f | | 2249 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Iliaguev, Nisim | f | | 2249 * | 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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