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Individual Calculations September 2009 |
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| Philosoph, Assi Total change: -0.75 | |   |
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| ISR 2nd League South 2009 | Various | ISR | 2009-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 1986 | 0.50 | 1 | 0.24 | 15 | 3.60 | |
|  Spektor, Igor | | | 2166 | ISR | 0.50 | 1 | 0.24 | 15 | 3.60 | |
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) | | | | Spring 2009 Mark Centre | Tel Aviv | ISR | 2009-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1937 | 1981 | 2.50 | 5 | -0.29 | 15 | -4.35 | |
| | Zilbershtein, Victor | | | 1911 | ISR | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Gradenwitz, Oded | | | 1885 | ISR | 1.00 | 1 | 0.37 | 15 | 5.55 | |  Grinberg, Eyal | | | 1816 | ISR | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Levitsky, Artur | | | 2029 | ISR | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Steinberg, Nitzan | | | 2044 | ISR | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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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