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Individual Calculations April 2009 |
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| Czajkowski, Alan Total change: -17.75 | |   |
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| XI Kêtrzyñski Festiwal Szachowy B | Ketrzyn | POL | 2008-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1841 | 0.50 | 2 | -0.71 | 25 | -17.75 | |
|  Plichta, Adam | | | 1847 | POL | 0.00 | 1 | -0.49 | 25 | -12.25 | |  Sokolowska, Aneta | | | 1675 | POL | 0.50 | 1 | -0.22 | 25 | -5.50 | |
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) | | |
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