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Individual Calculations July 2015 |
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| Lotsov Har-Zahav, Avraham Total change: 1.60 | |   |
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| Herzliya Spring 2015 | Herzliya | ISR | 2015-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1931 | 4.00 | 9 | -0.74 | 20 | -14.80 | |
|  Zalkind, Konstantin | f | | 2218 | ISR | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Gradenwitz, Oded | | | 1784 | ISR | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Levy, Benyamin | | | 1840 | ISR | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Schwarz, Harry | | | 2006 | ISR | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Rotshtein, Maxim | | | 1689 | ISR | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Kats, Amir | | | 1939 | ISR | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Khatib, Husein | | | 1906 | ISR | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Pilosof, Haim | | | 1815 | ISR | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Kinberg, Ofer | | | 2018 | ISR | 1.00 | 1 | 0.62 | 20 | 12.40 | |
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) | | | | Liga Alef Shfela 2015 Round 7-9 | various | ISR | 2015-05-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 1926 | 0.50 | 1 | -0.02 | 20 | -0.40 | |
| | Hauftman, Itay | | | 1914 | ISR | 0.50 | 1 | -0.02 | 20 | -0.40 | |
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) | | | | Mark Centre Spring 2015 | Tel Aviv | ISR | 2015-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 1926 | 4.50 | 7 | 0.84 | 20 | 16.80 | |
| | Zemach, Roee | | | 1707 | ISR | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Cohen, Ziv | | | 1869 | ISR | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Tifferet, Shaked | | | 2043 | ISR | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Yaniv, Yuval | | | 1564 | ISR | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Marcovici, Adrian | | | 2008 | ISR | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Levi, Yoel | | | 1893 | ISR | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Zak, Uriel | m | | 2261 | ISR | 0.00 | 1 | -0.12 | 20 | -2.40 | |
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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