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Individual Calculations December 2021 |
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| Zemach, Nadav Total change: 51.20 | |   |
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| Herzliya Championship 2021 | Herzliya | ISR | 2021-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 2106 | 6.00 | 9 | 0.64 | 40 | 25.60 | |
|  Michaeli, Omri | | | 1827 | ISR | 0.50 | 1 | -0.34 | 40 | -13.60 | |  Patt, Zafrir | | | 1727 | ISR | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Amit, Eli | | | 1966 | ISR | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Aizenberg, Benny | f | | 2299 | ISR | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Sherman, Reem | | | 2103 | ISR | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Poleg, Matan | | | 2181 | ISR | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Ronnen, Ilay | | | 1812 | ISR | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Yaniv, Yuval | f | | 2345 | ISR | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Friedland, Eldar | | | 1938 | ISR | 1.00 | 1 | 0.28 | 40 | 11.20 | |
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) | | | | Mark Center Autumn Level A | Tel Aviv | ISR | 2021-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 2106 | 4.00 | 5 | 0.64 | 40 | 25.60 | |
| | Tambor, Dor | | | 1759 | ISR | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Volkov, Yuri | | | 1894 | ISR | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Vagman, Roy | c | | 2070 | ISR | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Zak, Arad | | | 2086 | ISR | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Aronin, Pavel | | | 2016 | MNC | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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) | | |
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