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Individual Calculations April 2018 |
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| Rakita, Efim Total change: 23.80 | |   |
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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 |
| 1989 | 1992 | 5.50 | 9 | 0.98 | 20 | 19.60 | |
|  Gershkowich, David | f | | 2242 | ISR | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Weintraub, Amit | | | 1775 | ISR | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Protkin, Boris | | | 2106 | ISR | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Mautner, Nachum | | | 1829 | ISR | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Hajaj, Ariel | | | 1874 | ISR | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Gov, Guy | | | 1759 | ISR | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Leibovich, Semion | | | 2081 | ISR | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Akman, Adi | | | 2109 | ISR | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Katzir, Moshe | | | 2128 | ISR | 0.50 | 1 | 0.18 | 20 | 3.60 | |
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) | | | | Haifa-Nesher Spring 2018 over 2000 | Nesher | ISR | 2018-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 2003 | 3.00 | 5 | -0.61 | 20 | -12.20 | |
| | Ochman, Philip | | | 1894 | ISR | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Levitan, Ronit | | wc | 1859 | ISR | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Gov, Guy | | | 1751 | ISR | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Tsirilman, Guy | | | 1603 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zalkind, Valery | | | 1975 | ISR | 1.00 | 1 | 0.46 | 20 | 9.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 1917 | 1981 | 2.00 | 2 | 0.82 | 20 | 16.40 | |
| | Margovsky, Naum | | | 1947 | ISR | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Hajaj, Ariel | | | 1887 | ISR | 1.00 | 1 | 0.37 | 20 | 7.40 | |
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) | | |
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