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Individual Calculations September 2021 |
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| Mizrahi, Jonathan Total change: -14.80 | |   |
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| Green Village Third Summer 2021 Tournament | Green Village | ISR | 2021-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1230 | 1327 | 2.50 | 3 | 0.64 | 40 | 25.60 | |
|  Felman, Chaim | | | 1391 | ISR | 1.00 | 1 | 0.59 | 40 | 23.60 | |  Varon, Alma | | | 1226 | ISR | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Fridman, Alex | | | 1073 | ISR | 0.50 | 1 | -0.31 | 40 | -12.40 | |
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) | | | | Israeli Youth Team Championship U-18 2021 | Green Village | ISR | 2021-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1452 | 1327 | 0.00 | 3 | -1.01 | 40 | -40.40 | |
| | Soybert, Ori | | | 1484 | ISR | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Simchayev, Alexandra | | | 1535 | ISR | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Cohen, Asaf | | | 1337 | ISR | 0.00 | 1 | -0.49 | 40 | -19.60 | |
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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