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Individual Calculations August 2021 |
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| Gurevich, Yosef Total change: 41.20 | |   |
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| Liga Alef Darom 2021 Rounds 7-8 | Various | ISR | 2021-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1661 | 1663 | 2.00 | 2 | 0.99 | 40 | 39.60 | |
|  Lazarovich, Aviv | | | 1592 | ISR | 1.00 | 1 | 0.40 | 40 | 16.00 | |  Lenglibon, Alex | | | 1730 | ISR | 1.00 | 1 | 0.59 | 40 | 23.60 | |
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) | | | | 11th Kiryat Ono Summer Festival Open B | Kiryat Ono | ISR | 2021-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1804 | 1663 | 1.00 | 3 | 0.04 | 40 | 1.60 | |
| | Leor, Ephraim | | | 1765 | ISR | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Rozen, Guy | | | 1928 | ISR | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Menahem, Adi | | | 1719 | ISR | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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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