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Individual Calculations October 2008 |
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| Ben Porat, Zeev Total change: -12.75 | |   |
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| Spring 2008 Mark Centre | Tel Aviv | ISR | 2008-05-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 2003 | 3.00 | 4 | 1.23 | 15 | 18.45 | |
|  Zak, Uri | | | 2205 | ISR | 0.50 | 1 | 0.26 | 15 | 3.90 | |  Dror, Levi | | | 1941 | ISR | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Ilan, Liad | | | 1972 | ISR | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Itzhaky, Shmuel | | | 2073 | ISR | 1.00 | 1 | 0.60 | 15 | 9.00 | |
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) | | | | 7eme open international - support Ch. de Picardie | La Fere | FRA | 2008-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 2008 | 2.00 | 6 | -0.27 | 15 | -4.05 | |
| | Van Kampen, Robin | | | 2294 | NED | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Drenchev, Petar | m | | 2358 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Christophe, Lucie | | | 1760 | FRA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Goldsztejn, Gildas | | | 2358 | FRA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Laufer, Maurice | | | 1658 | FRA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Le Goff, Damien | | | 2262 | FRA | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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) | | | | Herzliya Intl. Open 2008 | Herzlia | ISR | 2008-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2065 | 2008 | 2.00 | 9 | -1.81 | 15 | -27.15 | |
| | Zak, Uri | | | 2208 | ISR | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Kneler, Boris | | | 2097 | ISR | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Ettinger, Amir | | | 2012 | ISR | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Aharon, Ofir | | | 2091 | ISR | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Bitran, Daniel | | | 2174 | ISR | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Magen, Paz | | | 2033 | ISR | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Shimonovich, Yoav | | | 2088 | ISR | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Haitovich, Avital | | | 1871 | ISR | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Ilan, Liad | | | 2013 | ISR | 0.00 | 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) | | |
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