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Individual Calculations April 2018 |
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| Margovsky, Naum Total change: 14.20 | |   |
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| Nat. Ch. Quarterfinal 2017-18 Kiryat Bialik | Kiryat Bialik | ISR | 2017-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 1941 | 5.00 | 9 | 0.14 | 20 | 2.80 | |
|  Katzir, Moshe | | | 2128 | ISR | 0.00 | 1 | -0.26 | 20 | -5.20 | |  Rave, Avraham | | | 1753 | ISR | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Maman, Emanuel | | | 1788 | ISR | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Akman, Adi | | | 2109 | ISR | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Levitan, Tal | | | 2075 | ISR | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Kotler, Zvi | | | 1812 | ISR | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Levitan, Shon | | | 1902 | ISR | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Dayan, Prosper | | | 1796 | ISR | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Mautner, Nachum | | | 1829 | ISR | 1.00 | 1 | 0.35 | 20 | 7.00 | |
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) | | | | Haifa-Nesher Spring 2018 over 2000 | Nesher | ISR | 2018-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 1938 | 3.00 | 5 | 0.82 | 20 | 16.40 | |
| | Gov, Guy | | | 1751 | ISR | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Zalkind, Valery | | | 1975 | ISR | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Ochman, Philip | | | 1894 | ISR | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Fainberg, Boris | | | 2062 | ISR | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Zhizmer, Yuri | m | | 2309 | UKR | 0.00 | 1 | -0.10 | 20 | -2.00 | |
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) | | | | Liga Alef North (Thursdays) 2018 Round 5-6 | various | ISR | 2018-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1842 | 1947 | 1.00 | 2 | -0.25 | 20 | -5.00 | |
| | Rakita, Efim | | | 1981 | ISR | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Diab, Mohamed | | | 1702 | ISR | 1.00 | 1 | 0.20 | 20 | 4.00 | |
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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