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Individual Calculations July 2009 |
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| Drgas, Marlena Total change: -5.50 | |   |
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| 4th POL Academic Champ. Open B | Wroclaw | POL | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1561 | 1504 | 1.00 | 2 | 0.16 | 25 | 4.00 | |
|  Wozniak, Grzegorz | | | 1571 | POL | 0.50 | 1 | 0.09 | 25 | 2.25 | |  Dmochowska, Agnieszka | | | 1551 | POL | 0.50 | 1 | 0.07 | 25 | 1.75 | |
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) | | | | Grand Prix Gorzowa Wlkp. - maj 2009 | Gorzow | POL | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 1504 | 0.00 | 3 | -0.61 | 25 | -15.25 | |
| | Sokolowski, Roman | | | 1854 | POL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Koitka, Jakub | | | 1736 | POL | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Wittig, Zenon | | | 1666 | POL | 0.00 | 1 | -0.29 | 25 | -7.25 | |
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) | | | | Polfinal Pucharu Wroclawia w MDK Fabryczna | Wroclaw | POL | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1709 | 1504 | 1.00 | 3 | 0.23 | 25 | 5.75 | |
| | Somyk, Marcin | | | 1854 | POL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Nowakowski, Artur | | | 1538 | POL | 1.00 | 1 | 0.55 | 25 | 13.75 | | | Antoniewicz, Jakub | | | 1736 | POL | 0.00 | 1 | -0.21 | 25 | -5.25 | |
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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