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Individual Calculations September 2021 |
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| Margovsky, Naum Total change: 0.20 | |   |
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| Liga Alef Zafon Yom Hol 2021 Round 9 - 10 | Various | ISR | 2021-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1799 | 1952 | 1.50 | 2 | 0.10 | 20 | 2.00 | |
|  Tsabari, Ronen | | | 1724 | ISR | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Meshman, Boris | | | 1873 | ISR | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | Summer Haifa-Nesher | Haifa | ISR | 2021-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 1945 | 2.00 | 5 | -0.09 | 20 | -1.80 | |
| | Axelrod, Arie | f | | 2231 | ISR | 1.00 | 1 | 0.84 | 20 | 16.80 | | | Gov, Guy | | | 1985 | ISR | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Levitan, Tal | | | 2139 | ISR | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Cherikovsky, Yuri | | | 1950 | ISR | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Tambor, Dor | | | 1748 | ISR | 0.00 | 1 | -0.75 | 20 | -15.00 | |
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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