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Individual Calculations May 2010 |
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| Sowinski, Jaroslaw Total change: -21.50 | |   |
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| Otwarta Liga Mazowiecka 2009/2010 | Mazowieckie | POL | 2009-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 1744 | 0.00 | 2 | -0.86 | 25 | -21.50 | |
|  Jarmula, Lukasz | | | 1576 | POL | 0.00 | 1 | -0.72 | 25 | -18.00 | | | Jaworski, Andrzej | | | 2056 | POL | 0.00 | 1 | -0.14 | 25 | -3.50 | |
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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