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Individual Calculations September 2009 |
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| Jacek, Roksana Total change: -2.10 | |   |
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| V Mielenska Perla Baltyku B | Lazy | POL | 2009-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1868 | 1660 | 2.50 | 6 | 1.06 | 15 | 15.90 | |
|  Trepkowski, Piotr | | | 1905 | POL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Stypka, Zbigniew | | | 1943 | POL | 0.50 | 1 | 0.34 | 15 | 5.10 | |  Lewandowski, Marek | | | 1951 | POL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Zebracki, Tomasz | | | 1774 | POL | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Zakrocki, Sebastian | | | 1830 | POL | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Karpinski, Bartlomiej | | | 1803 | POL | 0.50 | 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) | | | | Druzynowe Mistrzostwa Polski - Extraliga Juniorow | Chotowa | POL | 2009-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1851 | 1659 | 2.00 | 7 | 0.13 | 15 | 1.95 | |
| | Tarnowska, Aleksandra | | | 1754 | POL | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Tomaszewska, Luiza | | | 1848 | POL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Dziodzio, Angelika | | | 1811 | POL | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Wisniowska, Klaudia | | | 1988 | POL | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Gorol, Dominika | | | 1768 | POL | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Dadello, Aleksandra | | | 1731 | POL | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Lach, Aleksandra | | wf | 2059 * | POL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Mazovian Chess Festival gr. C | Warszawa | POL | 2009-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 1659 | 0.00 | 3 | -0.73 | 15 | -10.95 | |
| | Rozowski, Marcin | | | 1825 | POL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Borowicz, Miroslaw | | | 1850 | POL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Leks, Maria | | | 1899 | POL | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | XX Jubileuszowy MFS im.Jozefa Kochana B | Koszalin | POL | 2009-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 1659 | 0.00 | 3 | -0.60 | 15 | -9.00 | |
| | Major, Boguslaw | | | 1850 | POL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Bednarczyk, Damian | | | 1978 | POL | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Kasperek, Krzysztof | | | 1880 | POL | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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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