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Individual Calculations May 2010 |
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| Duda, Ryszard Total change: 13.00 | |   |
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| Otwarta Liga Mazowiecka 2009/2010 | Mazowieckie | POL | 2009-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1760 | 2.00 | 5 | 0.52 | 25 | 13.00 | |
|  Staroszczyk, Mateusz | | | 2044 | POL | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Rafa, Robert | | | 2000 | POL | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Zygulski, Krzysztof | | | 1915 | POL | 1.00 | 1 | 0.71 | 25 | 17.75 | | | Dabrowski, Leszek | | | 1896 | POL | 1.00 | 1 | 0.68 | 25 | 17.00 | |  Kolinski, Daniel | | | 1753 | POL | 0.00 | 1 | -0.51 | 25 | -12.75 | |
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) | | |
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