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Individual Calculations April 2009 |
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| Pera, Adam Total change: -18.45 | |   |
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| Wielkopolska III Liga Juniorow 2009 | Koscielec, Wolsztyn | POL | 2009-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1833 | 1.00 | 4 | -1.14 | 15 | -17.10 | |
|  Markowski, Piotr | | | 2148 | POL | 0.50 | 1 | 0.36 | 15 | 5.40 | |  Polarczyk, Pawel | | | 1778 | POL | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Stankowski, Aleksander | | | 1707 | POL | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Simon, Marek | | | 1641 | POL | 0.50 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | Obra Zima Open 2009 grupa A | Obra | POL | 2009-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 1833 | 4.00 | 9 | -0.09 | 15 | -1.35 | |
| | Bloszyk, Wojciech | | | 1586 | POL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Zdanowicz, Lukasz | | | 2052 | POL | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Scibior, Adam | | | 2183 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Grochowski, Mariusz | | | 2019 | POL | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Adamek, Przemyslaw | | | 1956 | POL | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Grzesik, Norbert | | | 1900 | POL | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Kwiatkowski, Wiktor | | | 1808 | POL | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Nun, Grzegorz | | | 1703 | POL | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Cybulski, Maciej | | | 1653 | POL | 0.50 | 1 | -0.24 | 15 | -3.60 | |
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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