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Individual Calculations April 2009 |
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| Bar-Or, Ornan Total change: -23.55 | |   |
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| Chaim Kandelshine Memorial 2008 | Herzlia | ISR | 2008-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 2005 | 3.50 | 8 | -0.69 | 15 | -10.35 | |
|  Zalkind, Konstantin | f | | 2149 | ISR | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Hadari, Ariel | | | 2041 | ISR | 0.00 | 1 | -0.45 | 15 | -6.75 | |  Portnoy, Matan | | | 1969 | ISR | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Towers, Brian | | | 1881 | ISR | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Ettinger, Amir | | | 2036 | ISR | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Magen, Paz | | | 1994 | ISR | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Gelman, Hagai | | | 1840 | ISR | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Ben Porat, Zeev | | | 1995 | ISR | 1.00 | 1 | 0.49 | 15 | 7.35 | |
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) | | | | Stav 2008 Mark Centre | Tel Aviv | ISR | 2008-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 2005 | 1.50 | 5 | -0.44 | 15 | -6.60 | |
| | Blodstein, B. | | | 2186 | ISR | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Dror, Levi | | | 1929 | ISR | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Shlam, Yehuda | | | 2147 | ISR | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Alperovich, Asher | | | 2148 | ISR | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Feigel, Leonid | | | 2035 | ISR | 0.50 | 1 | 0.04 | 15 | 0.60 | |
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) | | | | Winter 2009 Mark Centre | Tel Aviv | ISR | 2009-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 2005 | 2.00 | 6 | -0.44 | 15 | -6.60 | |
| | Shutzman, Joseph | f | | 2305 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Gradenwitz, Oded | | | 1856 | ISR | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Hasidovski, Arnold | | | 2193 | ISR | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Feigel, Leonid | | | 2031 | ISR | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Sheshkin, Matan | | | 2106 | ISR | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Leibo, Gideon | | | 1996 | ISR | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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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