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Individual Calculations March 2018 |
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| Margovsky, Naum Total change: 9.40 | |   |
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| Nat. Ch. Quarterfinal 2017-18 Haifa-Nesher | Nesher | ISR | 2017-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 2003 | 5.00 | 9 | 0.06 | 20 | 1.20 | |
|  Zalkind, Valery | | | 1981 | ISR | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Kupervaser, Erez | | | 1847 | ISR | 0.00 | 1 | -0.71 | 20 | -14.20 | |  Rakita, Efim | | | 1992 | ISR | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Rave, Avraham | | | 1755 | ISR | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Cherikovsky, Yuri | | | 2025 | ISR | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Levitan, Tal | | | 2127 | ISR | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Pirik, Arkadi | | | 2131 | ISR | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Levitan, Ronit | | wc | 1844 | ISR | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Zorella, Benzion | | | 1980 | ISR | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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) | | | | Liga Alef North (Thursdays) 2018 Round 3-4 | various | ISR | 2018-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 1938 | 1.50 | 2 | 0.41 | 20 | 8.20 | |
| | Bernstein, Nathan | | | 1911 | ISR | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Hajaj, Ariel | | | 1903 | ISR | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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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