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Individual Calculations April 2009 |
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| Oszczanowski, Witold Total change: 29.55 | |   |
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| Turniej Noworoczny | Wroclaw | POL | 2008-12-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1754 | 1555 | 1.00 | 4 | -0.05 | 15 | -0.75 | |
|  Duch, Robert | | | 1875 | POL | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Idczak, Rafal | | | 1872 | POL | 0.50 | 1 | 0.37 | 15 | 5.55 | |  Chenska, Karolina | | | 1579 | POL | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Kubica, Michal | | | 1688 | POL | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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 PUCHAR GOR OPAWSKICH | Pokrzywna | POL | 2009-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 1599 | 4.00 | 9 | 2.31 | 15 | 34.65 | |
| | Zmarzly, Aleksandra | | | 1944 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Zakaszewski, Mateusz | | | 1804 | POL | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Ostrowska, Dominika | | | 1884 | POL | 1.00 | 1 | 0.84 | 15 | 12.60 | | | Klepaczka, Tomasz | | | 1949 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Kowara, Magdalena | | | 1833 | POL | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Wisniewski, Robert | | | 1829 | POL | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Olszowski, Andrzej | | | 1884 | POL | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Kaminski, Ludwik | | | 1837 | POL | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Tarnowska, Aleksandra | | | 1761 | POL | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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) | | | | OMW 1st | Wroclaw | POL | 2009-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1796 | 1599 | 0.50 | 3 | -0.29 | 15 | -4.35 | |
| | Kulas, Szymon | | | 1904 | POL | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Gadek, Michal | | | 1860 | POL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Sowa, Martyna | | | 1624 | POL | 0.00 | 1 | -0.47 | 15 | -7.05 | |
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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