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Individual Calculations September 2009 |
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| Kogan, Alexander Total change: -26.50 | |   |
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| ISR 2nd League South 2009 | Various | ISR | 2009-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2156 | 2171 | 0.50 | 3 | -1.06 | 25 | -26.50 | |
|  Shoham, Asaf | | | 2223 | ISR | 0.00 | 1 | -0.43 | 25 | -10.75 | |  Freidzon, Dani | | | 2099 | ISR | 0.50 | 1 | -0.10 | 25 | -2.50 | | | Zelinsky, Yuri | | | 2146 | ISR | 0.00 | 1 | -0.53 | 25 | -13.25 | |
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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