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Individual Calculations April 2009 |
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| Ostrowska, Marta Total change: 18.00 | |   |
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| Wielkopolska III Liga Juniorow 2009 | Koscielec, Wolsztyn | POL | 2009-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1730 | 1675 | 1.50 | 4 | -0.19 | 15 | -2.85 | |
|  Murawa, Monika | | | 1599 | POL | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Pietrzak, Martyna | | | 1815 | POL | 0.50 | 1 | 0.19 | 15 | 2.85 | |  Jasnikowska, Daria | | | 1762 | POL | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Piechota, Izabela | | | 1745 | POL | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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) | | | | Obra Zima Open 2009 grupa A | Obra | POL | 2009-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1675 | 4.50 | 9 | 1.39 | 15 | 20.85 | |
| | Adamek, Przemyslaw | | | 1956 | POL | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Grochowski, Mariusz | | | 2019 | POL | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Bloszyk, Wojciech | | | 1586 | POL | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Zabawski, Grzegorz | | | 1864 | POL | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Sowa, Martyna | | | 1624 | POL | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Polarczyk, Pawel | | | 1778 | POL | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Stankowski, Aleksander | | | 1707 | POL | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Jasnikowska, Daria | | | 1762 | POL | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Belka, Andrzej | | | 1924 | POL | 1.00 | 1 | 0.81 | 15 | 12.15 | |
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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