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Individual Calculations September 2009 |
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| Zilbershtein, Victor Total change: 10.95 | |   |
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| Spring 2009 Mark Centre | Tel Aviv | ISR | 2009-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 1911 | 3.00 | 7 | 0.87 | 15 | 13.05 | |
|  Philosoph, Assi | | | 1981 | ISR | 1.00 | 1 | 0.60 | 15 | 9.00 | |  Akman, Adi | | | 2092 | ISR | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Golberg, Igor | | | 2216 | ISR | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Shlam, Yehuda | | | 2110 | ISR | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Levine, Yonatan | | | 2024 | ISR | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Dror, Levi | | | 1941 | ISR | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Ginzburg, Natan | | | 2075 | ISR | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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) | | | | Shah Kait 2009 | Natanya | ISR | 2009-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 1911 | 2.00 | 6 | 0.48 | 15 | 7.20 | |
| | Ronen, Israel | | | 2150 | ISR | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Gershkowich, David | f | | 2261 | ISR | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Ben-Nathan, Yigal | | | 2030 | ISR | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Levi, Yoel | | | 1985 | ISR | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Chassid, Elan | | | 2106 | ISR | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Klein, Boris | | | 2132 | ISR | 0.50 | 1 | 0.28 | 15 | 4.20 | |
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) | | | | Maccabiah 2009 Intl Open | Natanya | ISR | 2009-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 1911 | 0.00 | 3 | -0.62 | 15 | -9.30 | |
| | Kolos, Mendel | | | 2085 | ISR | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Berman, Mark | | | 2180 | ISR | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Blaushtain, Boris | | | 2171 | ISR | 0.00 | 1 | -0.18 | 15 | -2.70 | |
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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