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Individual Calculations September 2009 |
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| Ettinger, Amir Total change: -39.00 | |   |
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| ISR 2nd League North 2009 | Various | ISR | 2009-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 2042 | 0.00 | 5 | -1.80 | 15 | -27.00 | |
|  Shimonovich, Yoav | | | 2088 | ISR | 0.00 | 1 | -0.44 | 15 | -6.60 | |  Mamantov, Margarita | | | 2106 | ISR | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Gelfand, Dimitry | | | 2178 | RUS | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Liflyand, Elijah | | | 2170 | ISR | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Bereslavsky, Michael | | | 2191 | RUS | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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) | | | | Spring 2009 Mark Centre | Tel Aviv | ISR | 2009-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2078 | 2040 | 1.50 | 5 | -0.80 | 15 | -12.00 | |
| | Novik, Michael | | | 2094 | ISR | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Gershkowich, David | f | | 2340 | ISR | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Kahn, Yigal | | | 2056 | ISR | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Zror, Oren | | | 2013 | ISR | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Gradenwitz, Oded | | | 1885 | ISR | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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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