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Individual Calculations April 2009 |
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| Ben, Tomer Total change: -38.40 | |   |
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| Israel U20 League 2009 | Various | ISR | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 2003 | 2.00 | 4 | -0.10 | 15 | -1.50 | |
|  Portnoy, Matan | | | 1969 | ISR | 0.00 | 1 | -0.55 | 15 | -8.25 | |  Raznikov, Danny | | | 2252 | ISR | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Agur, Aviv | | | 1807 | ISR | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Haitovich, Avital | | | 1926 | ISR | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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) | | | | Stav 2008 Mark Centre | Tel Aviv | ISR | 2008-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2003 | 1.50 | 5 | -0.30 | 15 | -4.50 | |
| | Sheshkin, Matan | | | 2106 | ISR | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Neimer, Vitaly | | | 2336 | ISR | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Hasidovski, Arnold | | | 2182 | ISR | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Ettinger, Amir | | | 2036 | ISR | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Dror, Levi | | | 1929 | ISR | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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 |
| 1996 | 2013 | 1.00 | 6 | -2.16 | 15 | -32.40 | |
| | Reshef, Omer | | | 1780 | ISR | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Hadari, Ariel | | | 2056 | ISR | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Zak, Uriel | m | | 2318 | ISR | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Aysh, Eli | | | 1884 | ISR | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Leibo, Gideon | | | 1996 | ISR | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Tal, Rami | | | 1944 | ISR | 0.00 | 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) | | |
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