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Individual Calculations September 2009 |
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| Siwon, Zbigniew Total change: -14.10 | |   |
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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 |
| 1668 | 1866 | 3.50 | 6 | -0.94 | 15 | -14.10 | |
|  Zwara, Szymon | | | 1514 | POL | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Wodzynski, Mieszko | | | 1800 | POL | 0.50 | 1 | -0.09 | 15 | -1.35 | |  Belka, Marta | | | 1672 | POL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Kaminski, Damian | | | 1805 | POL | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Szymanowski, Mateusz | | | 1600 | POL | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Bartoszek, Michal | | | 1615 | POL | 1.00 | 1 | 0.19 | 15 | 2.85 | |
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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