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Individual Calculations July 2015 |
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| Katzir, Moshe Total change: -8.60 | |   |
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| Herzliya Spring 2015 | Herzliya | ISR | 2015-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2065 | 2145 | 5.00 | 9 | -0.43 | 20 | -8.60 | |
|  Poleg, Dan | | | 1881 | ISR | 0.50 | 1 | -0.32 | 20 | -6.40 | |  Levy, Benyamin | | | 1840 | ISR | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Hasidovsky, Michael | | | 2172 | ISR | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Pilosof, Haim | | | 1815 | ISR | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Gaz, Ido | | | 1996 | ISR | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Axelrod, Arie | f | | 2271 | ISR | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Zorella, Benzion | | | 2061 | ISR | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Yerushalmi, Eran | | | 2008 | ISR | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Dvoirys, Semen I. | g | | 2545 * | RUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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 Artzit Mercaz 2015 Round 7-9 | various | ISR | 2015-05-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 2148 | 2.50 | 3 | 0.55 | 20 | 11.00 | |
| | Aroeta, Benny | | | 2080 | ISR | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Weinstein, Shaul | | | 2034 | ISR | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Yerushalmi, Eran | | | 2002 | ISR | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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 Chess Club Spring 2015 | Nesher | ISR | 2015-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 2148 | 3.50 | 8 | -0.55 | 20 | -11.00 | |
| | Gordon, Evgeny | | | 2012 | ISR | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Gurbanov, Andrei | f | | 2355 | ISR | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Rozhik, Aaron | | | 2030 | ISR | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Kantarji, Pinchas | f | | 2453 | ISR | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Portnoy, Mikhail | | | 2095 | ISR | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Frenkel, Ran | | | 2160 | ISR | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Levin, Daniel | | | 1949 | ISR | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Margovsky, Naum | | | 2125 | 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) | | |
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