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Individual Calculations September 2009 |
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| Zror, Oren Total change: -31.50 | |   |
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| Spring 2009 Mark Centre | Tel Aviv | ISR | 2009-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1977 | 2013 | 2.50 | 6 | -0.79 | 15 | -11.85 | |
|  Shutzman, Joseph | f | | 2298 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Denesh, Nadav | | | 1893 | ISR | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Graifer, Michail | | | 1790 | ISR | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Ettinger, Amir | | | 2040 | ISR | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Blass, Uri | | | 2024 | ISR | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Grinberg, Eyal | | | 1816 | ISR | 1.00 | 1 | 0.25 | 15 | 3.75 | |
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 |
| 2045 | 2010 | 0.50 | 4 | -1.31 | 15 | -19.65 | |
| | Cherikovsky, Yuri | | | 2175 | ISR | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Volman, Horacio | | | 2213 | ISR | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Joffe, Roza | | | 1993 | LTU | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Rosenzweig, Itzhak | | | 1800 | ISR | 0.00 | 1 | -0.77 | 15 | -11.55 | |
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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