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Individual Calculations September 2009 |
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| Socha, Roksana Total change: -15.75 | |   |
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| Championship of Kujawsko-Pomorski Zwi±zek Szachowy | Chelmza | POL | 2009-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1785 | 1499 | 0.50 | 6 | -0.56 | 25 | -14.00 | |
|  Wodzynski, Michal | | | 1849 | POL | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Kanarkiewicz, Michal | | | 1804 | POL | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Kowal, Mieczyslaw | | | 1826 | POL | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Jablonski, Jerzy | | | 1849 | POL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Wodzynska, Zofia | | | 1531 | POL | 0.50 | 1 | 0.04 | 25 | 1.00 | | | Garbowska, Hanna | | | 1849 | POL | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | | | XI Miedzynarodowe Mistrzostwa Gdanska w szachach-Open B | Gdansk | POL | 2009-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1499 | 0.50 | 5 | -0.07 | 25 | -1.75 | |
| | Andrearczyk, Pawel | | | 1854 | POL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Kostecki, Rafal | | | 1838 | POL | 0.50 | 1 | 0.38 | 25 | 9.50 | | | Karski, Sebastian | | | 1829 | POL | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Ziolkowski, Marcin | | | 1839 | POL | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Niecko, Stanislaw | | | 1871 | POL | 0.00 | 1 | -0.10 | 25 | -2.50 | |
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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