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Individual Calculations October 2008 |
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| Oszczanowski, Witold Total change: 72.05 | |   |
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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 |
| 1756 | 1457 | 1.50 | 4 | 0.87 | 25 | 21.75 | |
|  Ratajczyk, Rafal | | | 1804 | POL | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Wolska, Marta | | | 1605 | POL | 1.00 | 1 | 0.70 | 25 | 17.50 | | | Dowgird, Filip | | | 1807 | POL | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Kulas, Szymon | | | 1807 | POL | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | | | 23rd Blaszczak's Memorial | Wroclaw | POL | 2008-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1728 | 1457 | 1.50 | 3 | 0.98 | 25 | 24.50 | |
| | Ulanowski, Karol | | | 1745 | POL | 0.50 | 1 | 0.34 | 25 | 8.50 | | | Grochocinska, Urszula | | | 1666 | POL | 0.50 | 1 | 0.27 | 25 | 6.75 | | | Dadello, Aleksandra | | | 1774 | POL | 0.50 | 1 | 0.37 | 25 | 9.25 | |
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) | | | NOTE: K factor changed | | The 44th Akiba Rubinstein International Chess Festival -Open D | Polanica Zdroj | POL | 2008-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1648 | 1483 | 3.00 | 4 | 1.72 | 15 | 25.80 | |
| | Lascar, Radoslawa | | | 1499 | POL | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Kozakow, Mikolaj | | | 1426 | POL | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Klepaczka, Tomasz | | | 1833 | POL | 1.00 | 1 | 0.89 | 15 | 13.35 | | | Budzinski, Jan | | | 1833 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | |
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