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Individual Calculations January 2015 |
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| Szwaj, Jacek Total change: 3.20 | |   |
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| Otwarta Liga Mazowiecka - 2014 | Warszawa | POL | 2014-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 1945 | 2.50 | 4 | 0.16 | 20 | 3.20 | |
|  Kwiatkowski, Wlodzimierz | | | 1852 | POL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Marczukiewicz, Jerzy | | | 1947 | POL | 1.00 | 1 | 0.50 | 20 | 10.00 | |  Praczukowski, Stanislaw | | | 1946 | POL | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Wisniewski, Jacek | | | 1788 | POL | 0.50 | 1 | -0.21 | 20 | -4.20 | |
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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