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Individual Calculations October 2008 |
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| Ratajczyk, Rafal Total change: -7.95 | |   |
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| Wroclawska Olimpiada Mlodziezy - Grupa A (Polfinal Mistrzostw Wroclawia) | Wroclaw | POL | 2008-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1695 | 1804 | 3.00 | 4 | 0.49 | 15 | 7.35 | |
|  Oszczanowski, Witold | | | 1457 | POL | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Mikolajczyk, Piotr | | | 1820 | POL | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Kulas, Szymon | | | 1837 | POL | 1.00 | 1 | 0.55 | 15 | 8.25 | |  Grochocinska, Urszula | | | 1666 | POL | 1.00 | 1 | 0.31 | 15 | 4.65 | |
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) | | | | 3rd Polonia Club Trn. B | Wroclaw | POL | 2008-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 1804 | 3.50 | 8 | -0.08 | 15 | -1.20 | |
| | Dowgird, Filip | | | 1891 | POL | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Lukasiewicz, Aleksander | | | 1809 | POL | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Grota, Mateusz | | | 1767 | POL | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Kaminski, Thomas | | | 2007 | CAN | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Sokolowska, Aneta | | | 1724 | POL | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Iwanow, Anna | | wf | 1964 | POL | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Dadello, Krzysztof | | | 1729 | POL | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Barburzynska, Magdalena | | | 1860 | POL | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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) | | | | 3rd International Chess Tournament Lubawka Gate 2008 | Lubawka | POL | 2008-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 1880 | 2.50 | 8 | 0.00 | 15 | 0.00 | |
| | Galyga, Zbigniew | | | 2175 | POL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Wallgren, Ulf | | | 2083 | SWE | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Stepinski, Stanislaw | | | 2046 | POL | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Koscielny, Edmond | | | 1906 | FRA | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Kmiecik, Wojciech | | | 1998 | POL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Marchand, Raphael | | | 2067 | FRA | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Krueger, Norbert | | | 2121 | GER | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Walas, Aleksandra | | | 1830 | POL | 1.00 | 1 | 0.43 | 15 | 6.45 | |
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) | | | | XIX Memorial Jozefa Kochana - B | Koszalin | POL | 2008-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 1880 | 3.50 | 7 | -0.18 | 15 | -2.70 | |
| | Jacek, Roksana | | | 1625 | POL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Demianowicz, Maciej | | | 1968 | POL | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Gerasimowisz, Stanislaw | | | 1951 | POL | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Jedras, Piotr | | | 1685 | POL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Szmidt, Przemyslaw | | | 1968 | POL | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Iwanow, Anna | | wf | 1979 | POL | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Stodolnik, Alicja | | | 1805 | POL | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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) | | | | The 44th Akiba Rubinstein International Chess Festival -Open C | Polanica Zdroj | POL | 2008-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1660 | 1880 | 3.50 | 7 | -1.91 | 15 | -28.65 | |
| | Nowacki, Krzysztof | | | 1608 | POL | 0.00 | 1 | -0.83 | 15 | -12.45 | | | Chenska, Karolina | | | 1619 | POL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Marszalek, Jakub | | | 1710 | POL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Grota, Mateusz | | | 1767 | POL | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Mazalon, Mateusz | | | 1666 | POL | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Adamczewski, Jedrzej | | | 1645 | POL | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Byrka, Joanna | | | 1605 | POL | 1.00 | 1 | 0.17 | 15 | 2.55 | |
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) | | | | The 44th Akiba Rubinstein International Chess Festival -Open B | Polanica Zdroj | POL | 2008-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 1880 | 4.00 | 8 | 1.15 | 15 | 17.25 | |
| | Murawski, Wieslaw | | | 2097 | POL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Stankiewicz, Pawel | | | 1809 | POL | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Kowara, Magdalena | | | 1763 | POL | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Lach, Piotr | | | 2048 | POL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Jurkiewicz, Krzysztof | | | 2188 | POL | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Hadzicki, Tomasz | | | 1861 | POL | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Zielinski, Stanislaw | | | 2145 | POL | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Usatiuk, Igor | | | 2081 | UKR | 1.00 | 1 | 0.76 | 15 | 11.40 | |
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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