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Individual Calculations April 2009 |
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| Pietrzak, Martyna Total change: -2.10 | |   |
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| Wielkopolska III Liga Juniorow 2009 | Koscielec, Wolsztyn | POL | 2009-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1695 | 1815 | 2.50 | 4 | -0.14 | 15 | -2.10 | |
|  Ostrowska, Marta | | | 1675 | POL | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Jasnikowska, Daria | | | 1762 | POL | 1.00 | 1 | 0.43 | 15 | 6.45 | |  Murawa, Monika | | | 1599 | POL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Piechota, Izabela | | | 1745 | POL | 0.00 | 1 | -0.60 | 15 | -9.00 | |
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) | | |
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