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Individual Calculations September 2009 |
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| Boim, Inon Total change: -11.80 | |   |
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| ISR 2nd League South 2009 | Various | ISR | 2009-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2286 | 2353 | 0.00 | 2 | -1.18 | 10 | -11.80 | |
|  Lederer, Yoav | | | 2300 | ISR | 0.00 | 1 | -0.57 | 10 | -5.70 | | | Gutkin, Boris | | | 2271 | ISR | 0.00 | 1 | -0.61 | 10 | -6.10 | |
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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