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Individual Calculations August 2021 |
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| Rozen, Guy Total change: -14.60 | |   |
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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 |
| 1698 | 1946 | 3.00 | 5 | -1.00 | 20 | -20.00 | |
|  Gradenwitz, Oded | | | 1621 | ISR | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Lotsov Har-Zahav, Avraham | | | 1768 | ISR | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Gavriely, Or | | | 1611 | ISR | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Shaul Seidner, Liad | | | 1771 | ISR | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Kochavi, Dana | | | 1717 | ISR | 0.00 | 1 | -0.79 | 20 | -15.80 | |
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) | | | | Summer 2021 Petah Tikva A | Petah Tikva | ISR | 2021-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 1946 | 4.00 | 7 | 0.03 | 20 | 0.60 | |
| | Sherman, Idan | | | 1546 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Levin, Guy | f | | 2346 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Philosoph, Assi | | | 2085 | ISR | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Blass, Eyal | | | 1855 | ISR | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Eskenazi, Joy | | | 1668 | ISR | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Noy, Eyal | | | 2029 | ISR | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Naor, Ofek | | | 1687 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | | | * 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) | | | | Liga Alef Shfela 2021 Rounds 7-8 | Various | ISR | 2021-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2085 | 1928 | 1.00 | 1 | 0.71 | 20 | 14.20 | |
| | Kulikov, Alexander | | | 2085 | ISR | 1.00 | 1 | 0.71 | 20 | 14.20 | |
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 B | Kiryat Ono | ISR | 2021-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1928 | 3.50 | 5 | -0.47 | 20 | -9.40 | |
| | Levanzov, Yevgeny | | | 1656 | ISR | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Dezent, Eyal | | | 1672 | ISR | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Gurevich, Yosef | | | 1663 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Ben-Dov, Yoav | | | 1792 | ISR | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Kochavi, Dana | | | 1651 | ISR | 0.50 | 1 | -0.33 | 20 | -6.60 | |
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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