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Individual Calculations September 2010 |
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| Zielewicz, Piotr Total change: 93.95 | |   |
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| XIX Miedzynarodowy Festiwal Szachowy w Poznaniu - Open A | Poznan | POL | 2010-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 1669 | 4.00 | 8 | 2.33 | 25 | 58.25 | |
|  Duszczak, Dariusz | | | 2022 | POL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Chojnacka, Magdalena | | | 1892 | POL | 1.00 | 1 | 0.78 | 25 | 19.50 | |  Chojnacki, Tomasz | | | 1849 | POL | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Zgarda, Jakub | | | 1906 | POL | 1.00 | 1 | 0.80 | 25 | 20.00 | | | Ancuta, Adam | | | 1873 | POL | 1.00 | 1 | 0.76 | 25 | 19.00 | | | Plonczak, Dominik | | | 2069 * | POL | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Kaczmarek, Piotr | | | 1884 | POL | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Hoffmann, Piotr | | | 1791 | POL | 1.00 | 1 | 0.67 | 25 | 16.75 | | | * 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) | | | NOTE: K factor changed | | Obra Lato Open 2010 | Obra | POL | 2010-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1669 | 5.00 | 9 | 2.38 | 15 | 35.70 | |
| | Balinski, Damian | | | 2069 * | POL | 1.00 | 1 | 0.92 | 15 | 13.80 | | | Korbal, Arkadiusz | | | 2016 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Zawadzki, Lukasz | | | 1883 | POL | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Grabianowski, Krystian | | | 1884 | POL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Anglart, Edward | | | 1916 | POL | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Kupsik, Joanna | | | 1735 | POL | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Karczynski, Lech | | | 1920 | POL | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Makielak, Hubert | | | 1478 | POL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Szczepaniak, Artur | | | 1720 | POL | 1.00 | 1 | 0.57 | 15 | 8.55 | | | * 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) | | |
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