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Individual Calculations September 2009 |
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| Chojnowski, Robert Total change: -9.50 | |   |
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| V International Chess Festival Open B Chojnice 2009 | Chojnice | POL | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1739 | 1638 | 1.50 | 5 | -0.38 | 25 | -9.50 | |
|  Kaczmarek, Piotr | | | 1897 | POL | 0.50 | 1 | 0.32 | 25 | 8.00 | |  Kaminski, Damian | | | 1805 | POL | 0.00 | 1 | -0.28 | 25 | -7.00 | | | Januszewski, Piotr | | | 1874 | POL | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Rabeda, Grzegorz | | | 1604 | POL | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Zwara, Szymon | | | 1514 | POL | 0.00 | 1 | -0.67 | 25 | -16.75 | |
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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